{"id":"CVE-2026-72457","state":"PUBLISHED","title":"apparmor: fail policy unpack on accept2 allocation failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fail policy unpack on accept2 allocation failure\n\nunpack_pdb() may need to allocate a missing ACCEPT2 table for older policy\ndata. If that allocation failed, it set an error message but jumped to the\nsuccess path, returning a policydb with the required table missing.\n\nReturn -ENOMEM through the normal failure path when the ACCEPT2 allocation\nfails. Remove the now-unused out label.","publishedAt":"2026-08-15T05:57:03.536Z","updatedAt":"2026-08-17T05:15:01.418Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2e12c5f060176ede209673e4f63ea5d0e3c5814c","status":"affected","lessThan":"22dc9433d458cff1270f120685114a9753e0ad1b","versionType":"git"},{"version":"2e12c5f060176ede209673e4f63ea5d0e3c5814c","status":"affected","lessThan":"106e909e12baf059538f0b0f1a59f87781d25b3c","versionType":"git"},{"version":"2e12c5f060176ede209673e4f63ea5d0e3c5814c","status":"affected","lessThan":"45cf568241048e560a81aa2053f06a62069f5640","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/policy_unpack.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/policy_unpack.c"]}],"references":["https://git.kernel.org/stable/c/22dc9433d458cff1270f120685114a9753e0ad1b","https://git.kernel.org/stable/c/106e909e12baf059538f0b0f1a59f87781d25b3c","https://git.kernel.org/stable/c/45cf568241048e560a81aa2053f06a62069f5640"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72457.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72457","state":"PUBLISHED","datePublished":"2026-08-15T05:57:03.536Z","dateUpdated":"2026-08-17T05:15:01.418Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.932Z"},"containers":{"cna":{"title":"apparmor: fail policy unpack on accept2 allocation failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fail policy unpack on accept2 allocation failure\n\nunpack_pdb() may need to allocate a missing ACCEPT2 table for older policy\ndata. If that allocation failed, it set an error message but jumped to the\nsuccess path, returning a policydb with the required table missing.\n\nReturn -ENOMEM through the normal failure path when the ACCEPT2 allocation\nfails. Remove the now-unused out label."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2e12c5f060176ede209673e4f63ea5d0e3c5814c","status":"affected","lessThan":"22dc9433d458cff1270f120685114a9753e0ad1b","versionType":"git"},{"version":"2e12c5f060176ede209673e4f63ea5d0e3c5814c","status":"affected","lessThan":"106e909e12baf059538f0b0f1a59f87781d25b3c","versionType":"git"},{"version":"2e12c5f060176ede209673e4f63ea5d0e3c5814c","status":"affected","lessThan":"45cf568241048e560a81aa2053f06a62069f5640","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/policy_unpack.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/policy_unpack.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/22dc9433d458cff1270f120685114a9753e0ad1b"},{"url":"https://git.kernel.org/stable/c/106e909e12baf059538f0b0f1a59f87781d25b3c"},{"url":"https://git.kernel.org/stable/c/45cf568241048e560a81aa2053f06a62069f5640"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:15:01.418Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}