{"api_version":"1","generated_at":"2026-08-03T10:13:27+00:00","cve":"CVE-2025-38640","urls":{"html":"https://cve.report/CVE-2025-38640","api":"https://cve.report/api/cve/CVE-2025-38640.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-38640","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-38640"},"summary":{"title":"bpf: Disable migration in nf_hook_run_bpf().","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable migration in nf_hook_run_bpf().\n\nsyzbot reported that the netfilter bpf prog can be called without\nmigration disabled in xmit path.\n\nThen the assertion in __bpf_prog_run() fails, triggering the splat\nbelow. [0]\n\nLet's use bpf_prog_run_pin_on_cpu() in nf_hook_run_bpf().\n\n[0]:\nBUG: assuming non migratable context at ./include/linux/filter.h:703\nin_atomic(): 0, irqs_disabled(): 0, migration_disabled() 0 pid: 5829, name: sshd-session\n3 locks held by sshd-session/5829:\n #0: ffff88807b4e4218 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline]\n #0: ffff88807b4e4218 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x20/0x50 net/ipv4/tcp.c:1395\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: __ip_queue_xmit+0x69/0x26c0 net/ipv4/ip_output.c:470\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: nf_hook+0xb2/0x680 include/linux/netfilter.h:241\nCPU: 0 UID: 0 PID: 5829 Comm: sshd-session Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120\n __cant_migrate kernel/sched/core.c:8860 [inline]\n __cant_migrate+0x1c7/0x250 kernel/sched/core.c:8834\n __bpf_prog_run include/linux/filter.h:703 [inline]\n bpf_prog_run include/linux/filter.h:725 [inline]\n nf_hook_run_bpf+0x83/0x1e0 net/netfilter/nf_bpf_link.c:20\n nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]\n nf_hook_slow+0xbb/0x200 net/netfilter/core.c:623\n nf_hook+0x370/0x680 include/linux/netfilter.h:272\n NF_HOOK_COND include/linux/netfilter.h:305 [inline]\n ip_output+0x1bc/0x2a0 net/ipv4/ip_output.c:433\n dst_output include/net/dst.h:459 [inline]\n ip_local_out net/ipv4/ip_output.c:129 [inline]\n __ip_queue_xmit+0x1d7d/0x26c0 net/ipv4/ip_output.c:527\n __tcp_transmit_skb+0x2686/0x3e90 net/ipv4/tcp_output.c:1479\n tcp_transmit_skb net/ipv4/tcp_output.c:1497 [inline]\n tcp_write_xmit+0x1274/0x84e0 net/ipv4/tcp_output.c:2838\n __tcp_push_pending_frames+0xaf/0x390 net/ipv4/tcp_output.c:3021\n tcp_push+0x225/0x700 net/ipv4/tcp.c:759\n tcp_sendmsg_locked+0x1870/0x42b0 net/ipv4/tcp.c:1359\n tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1396\n inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg net/socket.c:727 [inline]\n sock_write_iter+0x4aa/0x5b0 net/socket.c:1131\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0x6c7/0x1150 fs/read_write.c:686\n ksys_write+0x1f8/0x250 fs/read_write.c:738\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fe7d365d407\nCode: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff\nRSP:","state":"PUBLISHED","assigner":"Linux","published_at":"2025-08-22 16:15:38","updated_at":"2026-07-30 06:23:32"},"problem_types":["NVD-CWE-noinfo"],"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"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/0a356da16fb933abbeeb7aea038c351f3342cd3f","name":"https://git.kernel.org/stable/c/0a356da16fb933abbeeb7aea038c351f3342cd3f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/17ce3e5949bc37557305ad46316f41c7875d6366","name":"https://git.kernel.org/stable/c/17ce3e5949bc37557305ad46316f41c7875d6366","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e0199c28167a8a4adec036005a8df268b2b68529","name":"https://git.kernel.org/stable/c/e0199c28167a8a4adec036005a8df268b2b68529","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ee2502485702e4398cd74dbfb288bfa111d25e62","name":"https://git.kernel.org/stable/c/ee2502485702e4398cd74dbfb288bfa111d25e62","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/62f6175d145e00fc999fd2fcbffad3f59253c66a","name":"https://git.kernel.org/stable/c/62f6175d145e00fc999fd2fcbffad3f59253c66a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-38640","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38640","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d ee2502485702e4398cd74dbfb288bfa111d25e62 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d 62f6175d145e00fc999fd2fcbffad3f59253c66a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d e0199c28167a8a4adec036005a8df268b2b68529 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d 0a356da16fb933abbeeb7aea038c351f3342cd3f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d 17ce3e5949bc37557305ad46316f41c7875d6366 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.4","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.4 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.102 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.42 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15.10 6.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.16.1 6.16.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"38640","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":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_bpf_link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ee2502485702e4398cd74dbfb288bfa111d25e62","status":"affected","version":"fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d","versionType":"git"},{"lessThan":"62f6175d145e00fc999fd2fcbffad3f59253c66a","status":"affected","version":"fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d","versionType":"git"},{"lessThan":"e0199c28167a8a4adec036005a8df268b2b68529","status":"affected","version":"fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d","versionType":"git"},{"lessThan":"0a356da16fb933abbeeb7aea038c351f3342cd3f","status":"affected","version":"fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d","versionType":"git"},{"lessThan":"17ce3e5949bc37557305ad46316f41c7875d6366","status":"affected","version":"fd9c663b9ad67dedfc9a3fd3429ddd3e83782b4d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_bpf_link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.102","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.42","versionType":"semver"},{"lessThanOrEqual":"6.15.*","status":"unaffected","version":"6.15.10","versionType":"semver"},{"lessThanOrEqual":"6.16.*","status":"unaffected","version":"6.16.1","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.17","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.102","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.42","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.15.10","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.16.1","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.17","versionStartIncluding":"6.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable migration in nf_hook_run_bpf().\n\nsyzbot reported that the netfilter bpf prog can be called without\nmigration disabled in xmit path.\n\nThen the assertion in __bpf_prog_run() fails, triggering the splat\nbelow. [0]\n\nLet's use bpf_prog_run_pin_on_cpu() in nf_hook_run_bpf().\n\n[0]:\nBUG: assuming non migratable context at ./include/linux/filter.h:703\nin_atomic(): 0, irqs_disabled(): 0, migration_disabled() 0 pid: 5829, name: sshd-session\n3 locks held by sshd-session/5829:\n #0: ffff88807b4e4218 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline]\n #0: ffff88807b4e4218 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x20/0x50 net/ipv4/tcp.c:1395\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: __ip_queue_xmit+0x69/0x26c0 net/ipv4/ip_output.c:470\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: nf_hook+0xb2/0x680 include/linux/netfilter.h:241\nCPU: 0 UID: 0 PID: 5829 Comm: sshd-session Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120\n __cant_migrate kernel/sched/core.c:8860 [inline]\n __cant_migrate+0x1c7/0x250 kernel/sched/core.c:8834\n __bpf_prog_run include/linux/filter.h:703 [inline]\n bpf_prog_run include/linux/filter.h:725 [inline]\n nf_hook_run_bpf+0x83/0x1e0 net/netfilter/nf_bpf_link.c:20\n nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]\n nf_hook_slow+0xbb/0x200 net/netfilter/core.c:623\n nf_hook+0x370/0x680 include/linux/netfilter.h:272\n NF_HOOK_COND include/linux/netfilter.h:305 [inline]\n ip_output+0x1bc/0x2a0 net/ipv4/ip_output.c:433\n dst_output include/net/dst.h:459 [inline]\n ip_local_out net/ipv4/ip_output.c:129 [inline]\n __ip_queue_xmit+0x1d7d/0x26c0 net/ipv4/ip_output.c:527\n __tcp_transmit_skb+0x2686/0x3e90 net/ipv4/tcp_output.c:1479\n tcp_transmit_skb net/ipv4/tcp_output.c:1497 [inline]\n tcp_write_xmit+0x1274/0x84e0 net/ipv4/tcp_output.c:2838\n __tcp_push_pending_frames+0xaf/0x390 net/ipv4/tcp_output.c:3021\n tcp_push+0x225/0x700 net/ipv4/tcp.c:759\n tcp_sendmsg_locked+0x1870/0x42b0 net/ipv4/tcp.c:1359\n tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1396\n inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg net/socket.c:727 [inline]\n sock_write_iter+0x4aa/0x5b0 net/socket.c:1131\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0x6c7/0x1150 fs/read_write.c:686\n ksys_write+0x1f8/0x250 fs/read_write.c:738\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fe7d365d407\nCode: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff\nRSP:"}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-30T05:56:03.912Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ee2502485702e4398cd74dbfb288bfa111d25e62"},{"url":"https://git.kernel.org/stable/c/62f6175d145e00fc999fd2fcbffad3f59253c66a"},{"url":"https://git.kernel.org/stable/c/e0199c28167a8a4adec036005a8df268b2b68529"},{"url":"https://git.kernel.org/stable/c/0a356da16fb933abbeeb7aea038c351f3342cd3f"},{"url":"https://git.kernel.org/stable/c/17ce3e5949bc37557305ad46316f41c7875d6366"}],"title":"bpf: Disable migration in nf_hook_run_bpf().","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-38640","datePublished":"2025-08-22T16:00:46.760Z","dateReserved":"2025-04-16T04:51:24.030Z","dateUpdated":"2026-07-30T05:56:03.912Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-08-22 16:15:38","lastModifiedDate":"2026-07-30 06:23:32","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"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":"6.4","versionEndExcluding":"6.6.102","matchCriteriaId":"5BCA0ECA-F7A2-42B6-A438-0891D46073AD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.42","matchCriteriaId":"EA7AA5E6-4376-4A85-A021-6ACC5FF801C3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.15.10","matchCriteriaId":"5890C690-B295-40C2-9121-FF5F987E5142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.16.1","matchCriteriaId":"58182352-D7DF-4CC9-841E-03C1D852C3FB"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"38640","Ordinal":"1","Title":"bpf: Disable migration in nf_hook_run_bpf().","CVE":"CVE-2025-38640","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"38640","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable migration in nf_hook_run_bpf().\n\nsyzbot reported that the netfilter bpf prog can be called without\nmigration disabled in xmit path.\n\nThen the assertion in __bpf_prog_run() fails, triggering the splat\nbelow. [0]\n\nLet's use bpf_prog_run_pin_on_cpu() in nf_hook_run_bpf().\n\n[0]:\nBUG: assuming non migratable context at ./include/linux/filter.h:703\nin_atomic(): 0, irqs_disabled(): 0, migration_disabled() 0 pid: 5829, name: sshd-session\n3 locks held by sshd-session/5829:\n #0: ffff88807b4e4218 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline]\n #0: ffff88807b4e4218 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x20/0x50 net/ipv4/tcp.c:1395\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]\n #1: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: __ip_queue_xmit+0x69/0x26c0 net/ipv4/ip_output.c:470\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]\n #2: ffffffff8e5c4e00 (rcu_read_lock){....}-{1:3}, at: nf_hook+0xb2/0x680 include/linux/netfilter.h:241\nCPU: 0 UID: 0 PID: 5829 Comm: sshd-session Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120\n __cant_migrate kernel/sched/core.c:8860 [inline]\n __cant_migrate+0x1c7/0x250 kernel/sched/core.c:8834\n __bpf_prog_run include/linux/filter.h:703 [inline]\n bpf_prog_run include/linux/filter.h:725 [inline]\n nf_hook_run_bpf+0x83/0x1e0 net/netfilter/nf_bpf_link.c:20\n nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]\n nf_hook_slow+0xbb/0x200 net/netfilter/core.c:623\n nf_hook+0x370/0x680 include/linux/netfilter.h:272\n NF_HOOK_COND include/linux/netfilter.h:305 [inline]\n ip_output+0x1bc/0x2a0 net/ipv4/ip_output.c:433\n dst_output include/net/dst.h:459 [inline]\n ip_local_out net/ipv4/ip_output.c:129 [inline]\n __ip_queue_xmit+0x1d7d/0x26c0 net/ipv4/ip_output.c:527\n __tcp_transmit_skb+0x2686/0x3e90 net/ipv4/tcp_output.c:1479\n tcp_transmit_skb net/ipv4/tcp_output.c:1497 [inline]\n tcp_write_xmit+0x1274/0x84e0 net/ipv4/tcp_output.c:2838\n __tcp_push_pending_frames+0xaf/0x390 net/ipv4/tcp_output.c:3021\n tcp_push+0x225/0x700 net/ipv4/tcp.c:759\n tcp_sendmsg_locked+0x1870/0x42b0 net/ipv4/tcp.c:1359\n tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1396\n inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg net/socket.c:727 [inline]\n sock_write_iter+0x4aa/0x5b0 net/socket.c:1131\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0x6c7/0x1150 fs/read_write.c:686\n ksys_write+0x1f8/0x250 fs/read_write.c:738\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fe7d365d407\nCode: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff\nRSP:","Type":"Description","Title":"bpf: Disable migration in nf_hook_run_bpf()."}]}}}