{"api_version":"1","generated_at":"2026-05-13T19:06:46+00:00","cve":"CVE-2024-47707","urls":{"html":"https://cve.report/CVE-2024-47707","api":"https://cve.report/api/cve/CVE-2024-47707.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-47707","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-47707"},"summary":{"title":"ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()\n\nBlamed commit accidentally removed a check for rt->rt6i_idev being NULL,\nas spotted by syzbot:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 1 UID: 0 PID: 10998 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00208-g625403177711 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nRBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8c\nR10: dffffc0000000000 R11: fffff520008e6e8c R12: 1ffff1100fdf8f18\nR13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930\nFS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856\n addrconf_notify+0x3cb/0x1020\n  notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93\n  call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]\n  call_netdevice_notifiers net/core/dev.c:2046 [inline]\n  unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352\n  unregister_netdevice_many net/core/dev.c:11414 [inline]\n  unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11289\n  unregister_netdevice include/linux/netdevice.h:3129 [inline]\n  __tun_detach+0x6b9/0x1600 drivers/net/tun.c:685\n  tun_detach drivers/net/tun.c:701 [inline]\n  tun_chr_close+0x108/0x1b0 drivers/net/tun.c:3510\n  __fput+0x24a/0x8a0 fs/file_table.c:422\n  task_work_run+0x24f/0x310 kernel/task_work.c:228\n  exit_task_work include/linux/task_work.h:40 [inline]\n  do_exit+0xa2f/0x27f0 kernel/exit.c:882\n  do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n  __do_sys_exit_group kernel/exit.c:1042 [inline]\n  __se_sys_exit_group kernel/exit.c:1040 [inline]\n  __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n  x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f1acc77def9\nCode: Unable to access opcode bytes at 0x7f1acc77decf.\nRSP: 002b:00007ffeb26fa738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043\nRBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001\nR13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0\n </TASK>\nModules linked in:\n---[ end trace 0000000000000000 ]---\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nR\n---truncated---","state":"PUBLISHED","assigner":"Linux","published_at":"2024-10-21 12:15:07","updated_at":"2026-05-12 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MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T11:58:35.266Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.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":"a61a174280dad99f25a7dee920310885daf2552b","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"lessThan":"8a8b83016f06805775db099c8377024b6fa5b975","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"lessThan":"e43dd28405e6b9935279996725ee11e6306547a5","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"lessThan":"f2bd9635543ca41533b870f420872819f8331823","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"lessThan":"0ceb2f2b5c813f932d6e60d3feec5e7e713da783","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"lessThan":"9a0ddc73be37d19dff1ba08290af34e707d18e50","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"lessThan":"08409e401622e2896b4313be9f781bde8a2a6a53","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"lessThan":"04ccecfa959d3b9ae7348780d8e379c6486176ac","status":"affected","version":"e332bc67cf5e5e5b71a1aec9750d0791aac65183","versionType":"git"},{"status":"affected","version":"58d772c203ee57c45620730198bc2d9ded7a1464","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":"4.3"},{"lessThan":"4.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.290","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.234","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.177","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.113","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.54","versionType":"semver"},{"lessThanOrEqual":"6.10.*","status":"unaffected","version":"6.10.13","versionType":"semver"},{"lessThanOrEqual":"6.11.*","status":"unaffected","version":"6.11.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.12","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.290","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.234","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.177","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.113","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.54","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.10.13","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.11.2","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()\n\nBlamed commit accidentally removed a check for rt->rt6i_idev being NULL,\nas spotted by syzbot:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 1 UID: 0 PID: 10998 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00208-g625403177711 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nRBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8c\nR10: dffffc0000000000 R11: fffff520008e6e8c R12: 1ffff1100fdf8f18\nR13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930\nFS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856\n addrconf_notify+0x3cb/0x1020\n  notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93\n  call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]\n  call_netdevice_notifiers net/core/dev.c:2046 [inline]\n  unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352\n  unregister_netdevice_many net/core/dev.c:11414 [inline]\n  unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11289\n  unregister_netdevice include/linux/netdevice.h:3129 [inline]\n  __tun_detach+0x6b9/0x1600 drivers/net/tun.c:685\n  tun_detach drivers/net/tun.c:701 [inline]\n  tun_chr_close+0x108/0x1b0 drivers/net/tun.c:3510\n  __fput+0x24a/0x8a0 fs/file_table.c:422\n  task_work_run+0x24f/0x310 kernel/task_work.c:228\n  exit_task_work include/linux/task_work.h:40 [inline]\n  do_exit+0xa2f/0x27f0 kernel/exit.c:882\n  do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n  __do_sys_exit_group kernel/exit.c:1042 [inline]\n  __se_sys_exit_group kernel/exit.c:1040 [inline]\n  __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n  x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f1acc77def9\nCode: Unable to access opcode bytes at 0x7f1acc77decf.\nRSP: 002b:00007ffeb26fa738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043\nRBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001\nR13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0\n </TASK>\nModules linked in:\n---[ end trace 0000000000000000 ]---\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nR\n---truncated---"}],"providerMetadata":{"dateUpdated":"2026-05-11T20:39:13.887Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/a61a174280dad99f25a7dee920310885daf2552b"},{"url":"https://git.kernel.org/stable/c/8a8b83016f06805775db099c8377024b6fa5b975"},{"url":"https://git.kernel.org/stable/c/e43dd28405e6b9935279996725ee11e6306547a5"},{"url":"https://git.kernel.org/stable/c/f2bd9635543ca41533b870f420872819f8331823"},{"url":"https://git.kernel.org/stable/c/0ceb2f2b5c813f932d6e60d3feec5e7e713da783"},{"url":"https://git.kernel.org/stable/c/9a0ddc73be37d19dff1ba08290af34e707d18e50"},{"url":"https://git.kernel.org/stable/c/08409e401622e2896b4313be9f781bde8a2a6a53"},{"url":"https://git.kernel.org/stable/c/04ccecfa959d3b9ae7348780d8e379c6486176ac"}],"title":"ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-47707","datePublished":"2024-10-21T11:53:41.417Z","dateReserved":"2024-09-30T16:00:12.946Z","dateUpdated":"2026-05-12T11:58:35.266Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-10-21 12:15:07","lastModifiedDate":"2026-05-12 12:17:14","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":"4.3","versionEndExcluding":"6.1.113","matchCriteriaId":"9EE182A1-D1E4-4CF2-BB49-EB811E4351DE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.54","matchCriteriaId":"D448821D-C085-4CAF-88FA-2DDE7BE21976"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.10.13","matchCriteriaId":"CE94BB8D-B0AB-4563-9ED7-A12122B56EBE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.11.2","matchCriteriaId":"AB755D26-97F4-43B6-8604-CD076811E181"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"47707","Ordinal":"1","Title":"ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()","CVE":"CVE-2024-47707","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"47707","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()\n\nBlamed commit accidentally removed a check for rt->rt6i_idev being NULL,\nas spotted by syzbot:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 1 UID: 0 PID: 10998 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00208-g625403177711 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nRBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8c\nR10: dffffc0000000000 R11: fffff520008e6e8c R12: 1ffff1100fdf8f18\nR13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930\nFS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856\n addrconf_notify+0x3cb/0x1020\n  notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93\n  call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]\n  call_netdevice_notifiers net/core/dev.c:2046 [inline]\n  unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352\n  unregister_netdevice_many net/core/dev.c:11414 [inline]\n  unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11289\n  unregister_netdevice include/linux/netdevice.h:3129 [inline]\n  __tun_detach+0x6b9/0x1600 drivers/net/tun.c:685\n  tun_detach drivers/net/tun.c:701 [inline]\n  tun_chr_close+0x108/0x1b0 drivers/net/tun.c:3510\n  __fput+0x24a/0x8a0 fs/file_table.c:422\n  task_work_run+0x24f/0x310 kernel/task_work.c:228\n  exit_task_work include/linux/task_work.h:40 [inline]\n  do_exit+0xa2f/0x27f0 kernel/exit.c:882\n  do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n  __do_sys_exit_group kernel/exit.c:1042 [inline]\n  __se_sys_exit_group kernel/exit.c:1040 [inline]\n  __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n  x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f1acc77def9\nCode: Unable to access opcode bytes at 0x7f1acc77decf.\nRSP: 002b:00007ffeb26fa738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043\nRBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001\nR13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0\n </TASK>\nModules linked in:\n---[ end trace 0000000000000000 ]---\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nR\n---truncated---","Type":"Description","Title":"ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()"}]}}}