{"id":"CVE-2023-54305","state":"PUBLISHED","title":"ext4: refuse to create ea block when umounted","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: refuse to create ea block when umounted\n\nThe ea block expansion need to access s_root while it is\nalready set as NULL when umount is triggered. Refuse this\nrequest to avoid panic.","publishedAt":"2025-12-30T12:23:39.163Z","updatedAt":"2026-05-11T19:59:23.898Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"aedea161d031502a423ed1c7597754681a4f8cda","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"21f6a80d9234422e2eb445734b22c78fc5bf6719","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"a92b67e768bde433b9385cde56c09deb58db269e","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"0dc0fa313bb4e86382a3e7125429710d44383196","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"116008ada3d0de4991099edaf6b8c2e9cd6f225a","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"05cbf6ddd9847c7b4f0662c048f195b09405a9d0","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"a458a8c1d1fc4e10a1813786132b09a3863ad3f2","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"f31173c19901a96bb2ebf6bcfec8a08df7095c91","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/xattr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/xattr.c"]}],"references":["https://git.kernel.org/stable/c/aedea161d031502a423ed1c7597754681a4f8cda","https://git.kernel.org/stable/c/21f6a80d9234422e2eb445734b22c78fc5bf6719","https://git.kernel.org/stable/c/a92b67e768bde433b9385cde56c09deb58db269e","https://git.kernel.org/stable/c/0dc0fa313bb4e86382a3e7125429710d44383196","https://git.kernel.org/stable/c/116008ada3d0de4991099edaf6b8c2e9cd6f225a","https://git.kernel.org/stable/c/05cbf6ddd9847c7b4f0662c048f195b09405a9d0","https://git.kernel.org/stable/c/a458a8c1d1fc4e10a1813786132b09a3863ad3f2","https://git.kernel.org/stable/c/f31173c19901a96bb2ebf6bcfec8a08df7095c91"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54305.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54305","state":"PUBLISHED","datePublished":"2025-12-30T12:23:39.163Z","dateUpdated":"2026-05-11T19:59:23.898Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:44.529Z"},"containers":{"cna":{"title":"ext4: refuse to create ea block when umounted","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: refuse to create ea block when umounted\n\nThe ea block expansion need to access s_root while it is\nalready set as NULL when umount is triggered. Refuse this\nrequest to avoid panic."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"aedea161d031502a423ed1c7597754681a4f8cda","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"21f6a80d9234422e2eb445734b22c78fc5bf6719","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"a92b67e768bde433b9385cde56c09deb58db269e","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"0dc0fa313bb4e86382a3e7125429710d44383196","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"116008ada3d0de4991099edaf6b8c2e9cd6f225a","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"05cbf6ddd9847c7b4f0662c048f195b09405a9d0","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"a458a8c1d1fc4e10a1813786132b09a3863ad3f2","versionType":"git"},{"version":"e50e5129f384ae282adebfb561189cdb19b81cee","status":"affected","lessThan":"f31173c19901a96bb2ebf6bcfec8a08df7095c91","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/xattr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/xattr.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/aedea161d031502a423ed1c7597754681a4f8cda"},{"url":"https://git.kernel.org/stable/c/21f6a80d9234422e2eb445734b22c78fc5bf6719"},{"url":"https://git.kernel.org/stable/c/a92b67e768bde433b9385cde56c09deb58db269e"},{"url":"https://git.kernel.org/stable/c/0dc0fa313bb4e86382a3e7125429710d44383196"},{"url":"https://git.kernel.org/stable/c/116008ada3d0de4991099edaf6b8c2e9cd6f225a"},{"url":"https://git.kernel.org/stable/c/05cbf6ddd9847c7b4f0662c048f195b09405a9d0"},{"url":"https://git.kernel.org/stable/c/a458a8c1d1fc4e10a1813786132b09a3863ad3f2"},{"url":"https://git.kernel.org/stable/c/f31173c19901a96bb2ebf6bcfec8a08df7095c91"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:59:23.898Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"4.14.308"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}