{"id":"CVE-2023-54264","state":"PUBLISHED","title":"fs/sysv: Null check to prevent null-ptr-deref bug","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/sysv: Null check to prevent null-ptr-deref bug\n\nsb_getblk(inode->i_sb, parent) return a null ptr and taking lock on\nthat leads to the null-ptr-deref bug.","publishedAt":"2025-12-30T12:15:56.893Z","updatedAt":"2026-05-11T19:58:36.713Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"e976988bc245ec3768cc0f76bed7d05488a7dd0f","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"baa60c66a310c50785289b0ede6fdce8ec3219c7","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"0a44ceba77c3267f8505dda102a59367dc24caee","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"7f740bc696d4617f8ee44565e8ac0d36278a1e91","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"1416eebaad80bdc85ad9f97f27242011b031e2a9","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"e28f376dd8dfcc4e880ac101184132bc08703f6e","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","status":"affected","lessThan":"ea2b62f305893992156a798f665847e0663c9f41","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/sysv/itree.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.19","versionType":"semver"},{"version":"4.14.322","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.291","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.253","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.190","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.126","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.45","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.10","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/sysv/itree.c"]}],"references":["https://git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f","https://git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7","https://git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee","https://git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91","https://git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635","https://git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9","https://git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e","https://git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54264.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54264","state":"PUBLISHED","datePublished":"2025-12-30T12:15:56.893Z","dateUpdated":"2026-05-11T19:58:36.713Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:44.517Z"},"containers":{"cna":{"title":"fs/sysv: 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