{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54264","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-30T12:06:44.517Z","datePublished":"2025-12-30T12:15:56.893Z","dateUpdated":"2026-05-11T19:58:36.713Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:58:36.713Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/sysv/itree.c"],"versions":[{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"e976988bc245ec3768cc0f76bed7d05488a7dd0f","status":"affected","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"baa60c66a310c50785289b0ede6fdce8ec3219c7","status":"affected","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"0a44ceba77c3267f8505dda102a59367dc24caee","status":"affected","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"7f740bc696d4617f8ee44565e8ac0d36278a1e91","status":"affected","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635","status":"affected","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"1416eebaad80bdc85ad9f97f27242011b031e2a9","status":"affected","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"e28f376dd8dfcc4e880ac101184132bc08703f6e","status":"affected","versionType":"git"},{"version":"e5657933863f43cc6bb76a54d659303dafaa9e58","lessThan":"ea2b62f305893992156a798f665847e0663c9f41","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/sysv/itree.c"],"versions":[{"version":"2.6.19","status":"affected"},{"version":"0","lessThan":"2.6.19","status":"unaffected","versionType":"semver"},{"version":"4.14.322","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.291","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.253","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.190","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.126","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.45","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.4.10","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5","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":"2.6.19","versionEndExcluding":"4.14.322"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"4.19.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.4.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.10.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.15.126"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"6.1.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"6.4.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"6.5"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f"},{"url":"https://git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7"},{"url":"https://git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee"},{"url":"https://git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91"},{"url":"https://git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635"},{"url":"https://git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9"},{"url":"https://git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e"},{"url":"https://git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41"}],"title":"fs/sysv: Null check to prevent null-ptr-deref bug","x_generator":{"engine":"bippy-1.2.0"}}}}