{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45893","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.083Z","datePublished":"2026-05-27T12:17:04.135Z","dateUpdated":"2026-05-27T12:17:04.135Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-27T12:17:04.135Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: Fix & Optimize table creation from possibly unaligned memory\n\nSource blob may come from userspace and might be unaligned.\nTry to optize the copying process by avoiding unaligned memory accesses.\n\n- Added Fixes tag\n- Added \"Fix &\" to description as this doesn't just optimize but fixes\n        a potential unaligned memory access\n[jj: remove duplicate word \"convert\" in comment trigger checkpatch warning]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/include/match.h","security/apparmor/match.c"],"versions":[{"version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","lessThan":"47e351dfef60ab0e3285133556e1a9c7f646a969","status":"affected","versionType":"git"},{"version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","lessThan":"e027999049c493fb728ead5a90db76942181a935","status":"affected","versionType":"git"},{"version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","lessThan":"226c3b10aab23f73b03c47e7773107de56ba3a4e","status":"affected","versionType":"git"},{"version":"e6e8bf418850d7958311a96ccfb594f2bcc8313e","lessThan":"6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/include/match.h","security/apparmor/match.c"],"versions":[{"version":"4.11","status":"affected"},{"version":"0","lessThan":"4.11","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.14","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.4","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969"},{"url":"https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935"},{"url":"https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e"},{"url":"https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"}],"title":"apparmor: Fix & Optimize table creation from possibly unaligned memory","x_generator":{"engine":"bippy-1.2.0"}}}}