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CVE-2026-63827

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix use-after-free in rawdata dedup loop aa_replace_profiles() walks ns->rawdata_list to dedup the incoming policy blob against entries already attached to existing profiles. Per the kernel-doc on struct aa_loaddata, list membership does not hold a reference: profiles hold pcount, and when the last pcount drops, do_ploaddata_rmfs() is queued on a workqueue that takes ns->lock and removes the entry. Between dropping t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b3831229a19731db1d2cc82bb1c4cfb3c352f2a68f2ae1ca2211d047af70c1be
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":"unaffected","product":"Linux","programFiles":["security/apparmor/include/policy_unpack.h","security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"643221da57dbb1a8fd800610331cf1ec27969f71","status":"affected","version":"3b8e77c7abab40e6de9ad9de730d77984a498840","versionType":"git"},{"lessThan":"b17f0c59cc1525765625cf07d0391b7f9c1ed7e5","status":"affected","version":"d9d8560b9b7932f8cffc4c068c14289220900f79","versionType":"git"},{"lessThan":"a7a2890028f16e5b0af0bb005d80fcb32559cca3","statu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/include/policy_unpack.h","security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","versi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/include/policy_unpack.h","security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"643221da57dbb1a8fd800610331cf1ec27969f71","status":"affected","version":"3b8e77c7abab40e6de9ad9de730d77984a498840","versionType":"git"},{"lessThan":"b17f0c59cc1525765625cf07d0391b7f9c1ed7e5","status":"affected","version":"d9d8560b9b7932f8cffc4c068c14289220900f79","versionType":"git"},{"lessThan":"a7a2890028f16e5b0af0bb005d80fcb32559cca3","statu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/include/policy_unpack.h","security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","versi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/15fd83a1e42ede15070968806bb6c8b1a5170688"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/5e34fa9f6f7cd688ae153fff13139a5cf2d42339"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/643221da57dbb1a8fd800610331cf1ec27969f71"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/6f060496d03e4dc560a40f73770bd08335cb7a27"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/a7a2890028f16e5b0af0bb005d80fcb32559cca3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b17f0c59cc1525765625cf07d0391b7f9c1ed7e5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c3ca2631073b2cef06824fd2bfc452ff7a1023de"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/ce261a20b41db522e320a41bbf1292bf85af66df"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d9a1464d34efb21b661f321876b8f24a0716b8183ffab943040481515290685 · sha256:e128fbbf72afc0d8… · /containers/cna/references/4

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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