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CVE-2026-45893

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix & Optimize table creation from possibly unaligned memory Source blob may come from userspace and might be unaligned. Try to optize the copying process by avoiding unaligned memory accesses. - Added Fixes tag - Added "Fix &" to description as this doesn't just optimize but fixes a potential unaligned memory access [jj: remove duplicate word "convert" in comment trigger checkpatch warning]
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:865c570f0c428b72b06f0891f358de986df26e2ca8cadd93015650f60d5e6a1e
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/match.h","security/apparmor/match.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"47e351dfef60ab0e3285133556e1a9c7f646a969","status":"affected","version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","versionType":"git"},{"lessThan":"e027999049c493fb728ead5a90db76942181a935","status":"affected","version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","versionType":"git"},{"lessThan":"226c3b10aab23f73b03c47e7773107de56ba3a4e","status":"affec…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/include/match.h","security/apparmor/match.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.1…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/include/match.h","security/apparmor/match.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"47e351dfef60ab0e3285133556e1a9c7f646a969","status":"affected","version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","versionType":"git"},{"lessThan":"e027999049c493fb728ead5a90db76942181a935","status":"affected","version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","versionType":"git"},{"lessThan":"226c3b10aab23f73b03c47e7773107de56ba3a4e","status":"affec…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/include/match.h","security/apparmor/match.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.1…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e446a682cb57d9044ff7572d3b8dbce8aa74d677bd07fa4a4416c89511c63f8 · sha256:dfdde9f6a11bcd55… · /containers/cna/references/1

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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