{"api_version":"1","generated_at":"2026-05-13T02:11:00+00:00","cve":"CVE-2024-40960","urls":{"html":"https://cve.report/CVE-2024-40960","api":"https://cve.report/api/cve/CVE-2024-40960.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-40960","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-40960"},"summary":{"title":"ipv6: prevent possible NULL dereference in rt6_probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: prevent possible NULL dereference in rt6_probe()\n\nsyzbot caught a NULL dereference in rt6_probe() [1]\n\nBail out if  __in6_dev_get() returns NULL.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f]\nCPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024\n RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline]\n RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758\nCode: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19\nRSP: 0018:ffffc900034af070 EFLAGS: 00010203\nRAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000\nRDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065c\nRBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a\nR13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000\nFS:  00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784\n  nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496\n  __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825\n  find_rr_leaf net/ipv6/route.c:853 [inline]\n  rt6_select net/ipv6/route.c:897 [inline]\n  fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195\n  ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231\n  pol_lookup_func include/net/ip6_fib.h:616 [inline]\n  fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121\n  ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline]\n  ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651\n  ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147\n  ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250\n  rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898\n  inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853\n  sock_sendmsg_nosec net/socket.c:730 [inline]\n  __sock_sendmsg net/socket.c:745 [inline]\n  sock_write_iter+0x4b8/0x5c0 net/socket.c:1160\n  new_sync_write fs/read_write.c:497 [inline]\n  vfs_write+0x6b6/0x1140 fs/read_write.c:590\n  ksys_write+0x1f8/0x260 fs/read_write.c:643\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f","state":"PUBLISHED","assigner":"Linux","published_at":"2024-07-12 13:15:18","updated_at":"2026-05-12 12:17:00"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6","name":"https://git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc","name":"https://git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b86762dbe19a62e785c189f313cda5b989931f37","name":"https://git.kernel.org/stable/c/b86762dbe19a62e785c189f313cda5b989931f37","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7","name":"https://git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2","name":"https://git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","name":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b","name":"https://git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e","name":"https://git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0","name":"https://git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-40960","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40960","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 f0cda984e4e634b221dbf9642b8ecc5b4806b41e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 d66fc4826127c82f99c4033380f8e93833d331c7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 1ed9849fdf9a1a617129346b11d2094ca26828dc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 569c9d9ea6648d099187527b93982f406ddcebc0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 51ee2f7c30790799d0ec30c0ce0c743e58f046f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 6eed6d3cd19ff3cfa83aeceed86da14abaf7417b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 52e1635631b342803aecaf81a362c1464e3da2e5 b86762dbe19a62e785c189f313cda5b989931f37 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.19.317 4.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.279 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.221 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.162 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.96 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.36 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.9.7 6.9.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.10 * original_commit_for_fix","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"RUGGEDCOM RST2428P","version":"affected V3.1 custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"RUGGEDCOM RST2428P","version":"unaffected * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family","version":"unaffected * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family","version":"unaffected * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SCALANCE XCM-/XRM-/XCH-/XRH-300 family","version":"affected V3.1 custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SCALANCE XCM-/XRM-/XCH-/XRH-300 family","version":"unaffected * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","version":"affected * custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2024","cve_id":"40960","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2025-11-03T21:58:25.917Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/b86762dbe19a62e785c189f313cda5b989931f37"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"title":"CVE Program Container"},{"metrics":[{"other":{"content":{"id":"CVE-2024-40960","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-09-10T17:03:29.403653Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2024-09-11T17:34:23.694Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"affected":[{"defaultStatus":"unknown","product":"RUGGEDCOM RST2428P","vendor":"Siemens","versions":[{"lessThan":"V3.1","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"RUGGEDCOM RST2428P","vendor":"Siemens","versions":[{"lessThan":"*","status":"unaffected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family","vendor":"Siemens","versions":[{"lessThan":"*","status":"unaffected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family","vendor":"Siemens","versions":[{"lessThan":"*","status":"unaffected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SCALANCE XCM-/XRM-/XCH-/XRH-300 family","vendor":"Siemens","versions":[{"lessThan":"V3.1","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SCALANCE XCM-/XRM-/XCH-/XRH-300 family","vendor":"Siemens","versions":[{"lessThan":"*","status":"unaffected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T11:55:57.590Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html"}],"x_adpType":"supplier"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f0cda984e4e634b221dbf9642b8ecc5b4806b41e","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"},{"lessThan":"d66fc4826127c82f99c4033380f8e93833d331c7","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"},{"lessThan":"1ed9849fdf9a1a617129346b11d2094ca26828dc","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"},{"lessThan":"569c9d9ea6648d099187527b93982f406ddcebc0","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"},{"lessThan":"51ee2f7c30790799d0ec30c0ce0c743e58f046f2","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"},{"lessThan":"73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"},{"lessThan":"6eed6d3cd19ff3cfa83aeceed86da14abaf7417b","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"},{"lessThan":"b86762dbe19a62e785c189f313cda5b989931f37","status":"affected","version":"52e1635631b342803aecaf81a362c1464e3da2e5","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.17"},{"lessThan":"2.6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"4.19.*","status":"unaffected","version":"4.19.317","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.279","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.221","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.162","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.96","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.36","versionType":"semver"},{"lessThanOrEqual":"6.9.*","status":"unaffected","version":"6.9.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.10","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.19.317","versionStartIncluding":"2.6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.279","versionStartIncluding":"2.6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.221","versionStartIncluding":"2.6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.162","versionStartIncluding":"2.6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.96","versionStartIncluding":"2.6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.36","versionStartIncluding":"2.6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.9.7","versionStartIncluding":"2.6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.10","versionStartIncluding":"2.6.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: prevent possible NULL dereference in rt6_probe()\n\nsyzbot caught a NULL dereference in rt6_probe() [1]\n\nBail out if  __in6_dev_get() returns NULL.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f]\nCPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024\n RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline]\n RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758\nCode: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19\nRSP: 0018:ffffc900034af070 EFLAGS: 00010203\nRAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000\nRDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065c\nRBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a\nR13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000\nFS:  00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784\n  nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496\n  __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825\n  find_rr_leaf net/ipv6/route.c:853 [inline]\n  rt6_select net/ipv6/route.c:897 [inline]\n  fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195\n  ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231\n  pol_lookup_func include/net/ip6_fib.h:616 [inline]\n  fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121\n  ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline]\n  ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651\n  ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147\n  ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250\n  rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898\n  inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853\n  sock_sendmsg_nosec net/socket.c:730 [inline]\n  __sock_sendmsg net/socket.c:745 [inline]\n  sock_write_iter+0x4b8/0x5c0 net/socket.c:1160\n  new_sync_write fs/read_write.c:497 [inline]\n  vfs_write+0x6b6/0x1140 fs/read_write.c:590\n  ksys_write+0x1f8/0x260 fs/read_write.c:643\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"}],"providerMetadata":{"dateUpdated":"2026-05-11T20:23:10.028Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e"},{"url":"https://git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7"},{"url":"https://git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc"},{"url":"https://git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0"},{"url":"https://git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2"},{"url":"https://git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6"},{"url":"https://git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b"},{"url":"https://git.kernel.org/stable/c/b86762dbe19a62e785c189f313cda5b989931f37"}],"title":"ipv6: prevent possible NULL dereference in rt6_probe()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-40960","datePublished":"2024-07-12T12:32:01.939Z","dateReserved":"2024-07-12T12:17:45.594Z","dateUpdated":"2026-05-12T11:55:57.590Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-07-12 13:15:18","lastModifiedDate":"2026-05-12 12:17:00","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.17","versionEndExcluding":"4.19.317","matchCriteriaId":"E413839C-8E38-49FB-A9C2-BBCEFBC8C4CF"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.279","matchCriteriaId":"F4E38E58-1B9F-4DF2-AD3D-A8BEAA2959D8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.221","matchCriteriaId":"659E1520-6345-41AF-B893-A7C0647585A0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.162","matchCriteriaId":"10A39ACC-3005-40E8-875C-98A372D1FFD5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.96","matchCriteriaId":"61E887B4-732A-40D2-9983-CC6F281EBFB7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.36","matchCriteriaId":"E1046C95-860A-45B0-B718-2B29F65BFF10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.9.7","matchCriteriaId":"0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*","matchCriteriaId":"2EBB4392-5FA6-4DA9-9772-8F9C750109FA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*","matchCriteriaId":"331C2F14-12C7-45D5-893D-8C52EE38EA10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*","matchCriteriaId":"3173713D-909A-4DD3-9DD4-1E171EB057EE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*","matchCriteriaId":"79F18AFA-40F7-43F0-BA30-7BDB65F918B9"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"40960","Ordinal":"1","Title":"ipv6: prevent possible NULL dereference in rt6_probe()","CVE":"CVE-2024-40960","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"40960","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: prevent possible NULL dereference in rt6_probe()\n\nsyzbot caught a NULL dereference in rt6_probe() [1]\n\nBail out if  __in6_dev_get() returns NULL.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f]\nCPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024\n RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline]\n RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758\nCode: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19\nRSP: 0018:ffffc900034af070 EFLAGS: 00010203\nRAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000\nRDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065c\nRBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a\nR13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000\nFS:  00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784\n  nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496\n  __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825\n  find_rr_leaf net/ipv6/route.c:853 [inline]\n  rt6_select net/ipv6/route.c:897 [inline]\n  fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195\n  ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231\n  pol_lookup_func include/net/ip6_fib.h:616 [inline]\n  fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121\n  ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline]\n  ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651\n  ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147\n  ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250\n  rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898\n  inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853\n  sock_sendmsg_nosec net/socket.c:730 [inline]\n  __sock_sendmsg net/socket.c:745 [inline]\n  sock_write_iter+0x4b8/0x5c0 net/socket.c:1160\n  new_sync_write fs/read_write.c:497 [inline]\n  vfs_write+0x6b6/0x1140 fs/read_write.c:590\n  ksys_write+0x1f8/0x260 fs/read_write.c:643\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f","Type":"Description","Title":"ipv6: prevent possible NULL dereference in rt6_probe()"}]}}}