{"id":"CVE-2025-71239","state":"PUBLISHED","title":"audit: add fchmodat2() to change attributes class","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naudit: add fchmodat2() to change attributes class\n\nfchmodat2(), introduced in version 6.6 is currently not in the change\nattribute class of audit. Calling fchmodat2() to change a file\nattribute in the same fashion than chmod() or fchmodat() will bypass\naudit rules such as:\n\n-w /tmp/test -p rwa -k test_rwa\n\nThe current patch adds fchmodat2() to the change attributes class.","publishedAt":"2026-03-17T09:11:03.386Z","updatedAt":"2026-05-11T21:57:01.981Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"91e27bc79c3bca93c06bf5a471d47df9a35b3741","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"3e762a03713e8c25ca0108c075d662c897fc0623","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"4fed776ca86378da7dd743a7b648e20b025ba8ef","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/asm-generic/audit_change_attr.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/asm-generic/audit_change_attr.h"]}],"references":["https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741","https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623","https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef","https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f","https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc","https://www.bencteux.fr/posts/missing_syscalls_audit/"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71239.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71239","state":"PUBLISHED","datePublished":"2026-03-17T09:11:03.386Z","dateUpdated":"2026-05-11T21:57:01.981Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-02-18T14:25:13.845Z"},"containers":{"cna":{"title":"audit: add fchmodat2() to change attributes class","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naudit: add fchmodat2() to change attributes class\n\nfchmodat2(), introduced in version 6.6 is currently not in the change\nattribute class of audit. Calling fchmodat2() to change a file\nattribute in the same fashion than chmod() or fchmodat() will bypass\naudit rules such as:\n\n-w /tmp/test -p rwa -k test_rwa\n\nThe current patch adds fchmodat2() to the change attributes class."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"91e27bc79c3bca93c06bf5a471d47df9a35b3741","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"3e762a03713e8c25ca0108c075d662c897fc0623","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"4fed776ca86378da7dd743a7b648e20b025ba8ef","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f","versionType":"git"},{"version":"09da082b07bbae1c11d9560c8502800039aebcea","status":"affected","lessThan":"4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/asm-generic/audit_change_attr.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/asm-generic/audit_change_attr.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741"},{"url":"https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623"},{"url":"https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef"},{"url":"https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f"},{"url":"https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc"},{"url":"https://www.bencteux.fr/posts/missing_syscalls_audit/"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:57:01.981Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}