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CVE-2026-45966

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in __unix_needs_revalidation When receiving file descriptors via SCM_RIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer dereferences in __unix_needs_revalidation(). This is a regression in AppArmor 5.0.0 (kernel 6.17+) where the new __unix_needs_revalidation() function was added without proper NULL checks. The cr
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9630fbfefaf3783444e488a8f344340fabcab13bcdef729f26c08fe65b6d5ab0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2735c8548c85573f2e3e5a90f5e29dd419332b5acd9ca69bbdc5052b118343cf · sha256:37448b072f200766… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fea017a7f6abe179decf575a2d8464c74edb3964","status":"affected","version":"88fec3526e84123997ecebd6bb6778eb4ce779b7","versionType":"git"},{"lessThan":"e85bc9101afc4202aa2269967ce9d3ffbecd0994","status":"affected","version":"88fec3526e84123997ecebd6bb6778eb4ce779b7","versionType":"git"},{"lessThan":"e2938ad00b21340c0362562dfedd7cfec0554d67","status":"affected","version":"88fec3526e84123997ece…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2735c8548c85573f2e3e5a90f5e29dd419332b5acd9ca69bbdc5052b118343cf · sha256:37448b072f200766… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2735c8548c85573f2e3e5a90f5e29dd419332b5acd9ca69bbdc5052b118343cf · sha256:37448b072f200766… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fea017a7f6abe179decf575a2d8464c74edb3964","status":"affected","version":"88fec3526e84123997ecebd6bb6778eb4ce779b7","versionType":"git"},{"lessThan":"e85bc9101afc4202aa2269967ce9d3ffbecd0994","status":"affected","version":"88fec3526e84123997ecebd6bb6778eb4ce779b7","versionType":"git"},{"lessThan":"e2938ad00b21340c0362562dfedd7cfec0554d67","status":"affected","version":"88fec3526e84123997ece…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2735c8548c85573f2e3e5a90f5e29dd419332b5acd9ca69bbdc5052b118343cf · sha256:37448b072f200766… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/e2938ad00b21340c0362562dfedd7cfec0554d67"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2735c8548c85573f2e3e5a90f5e29dd419332b5acd9ca69bbdc5052b118343cf · sha256:37448b072f200766… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/e85bc9101afc4202aa2269967ce9d3ffbecd0994"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2735c8548c85573f2e3e5a90f5e29dd419332b5acd9ca69bbdc5052b118343cf · sha256:37448b072f200766… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/fea017a7f6abe179decf575a2d8464c74edb3964"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2735c8548c85573f2e3e5a90f5e29dd419332b5acd9ca69bbdc5052b118343cf · sha256:37448b072f200766… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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