{"id":"CVE-2023-54102","state":"PUBLISHED","title":"scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow\n\nA static code analysis tool flagged the possibility of buffer overflow when\nusing copy_from_user() for a debugfs entry.\n\nCurrently, it is possible that copy_from_user() copies more bytes than what\nwould fit in the mybuf char array.  Add a min() restriction check between\nsizeof(mybuf) - 1 and nbytes passed from the userspace buffer to protect\nagainst buffer overflow.","publishedAt":"2025-12-24T13:06:27.915Z","updatedAt":"2026-05-11T19:55:31.921Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"644a9d5e22761a41d5005a26996a643da96de962","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"e0e7faee3a7dd6f51350cda64997116a247eb045","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"f91037487036e2d2f18d3c2481be6b9a366bde7f","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"a9df88cb31dcbd72104ec5883f35cbc1fb587e47","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"ad050f6cf681ebb850a9d4bc19474d3896476301","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"c6087b82a9146826564a55c5ca0164cac40348f5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","versionType":"semver"},{"version":"5.4.244","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.181","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.113","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_debugfs.c"]}],"references":["https://git.kernel.org/stable/c/644a9d5e22761a41d5005a26996a643da96de962","https://git.kernel.org/stable/c/e0e7faee3a7dd6f51350cda64997116a247eb045","https://git.kernel.org/stable/c/f91037487036e2d2f18d3c2481be6b9a366bde7f","https://git.kernel.org/stable/c/a9df88cb31dcbd72104ec5883f35cbc1fb587e47","https://git.kernel.org/stable/c/ad050f6cf681ebb850a9d4bc19474d3896476301","https://git.kernel.org/stable/c/c6087b82a9146826564a55c5ca0164cac40348f5"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54102.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54102","state":"PUBLISHED","datePublished":"2025-12-24T13:06:27.915Z","dateUpdated":"2026-05-11T19:55:31.921Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T13:02:52.517Z"},"containers":{"cna":{"title":"scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow\n\nA static code analysis tool flagged the possibility of buffer overflow when\nusing copy_from_user() for a debugfs entry.\n\nCurrently, it is possible that copy_from_user() copies more bytes than what\nwould fit in the mybuf char array.  Add a min() restriction check between\nsizeof(mybuf) - 1 and nbytes passed from the userspace buffer to protect\nagainst buffer overflow."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"644a9d5e22761a41d5005a26996a643da96de962","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"e0e7faee3a7dd6f51350cda64997116a247eb045","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"f91037487036e2d2f18d3c2481be6b9a366bde7f","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"a9df88cb31dcbd72104ec5883f35cbc1fb587e47","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"ad050f6cf681ebb850a9d4bc19474d3896476301","versionType":"git"},{"version":"6a828b0f6192b4930894925d1c1d0dc1f1d99e6e","status":"affected","lessThan":"c6087b82a9146826564a55c5ca0164cac40348f5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","versionType":"semver"},{"version":"5.4.244","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.181","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.113","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_debugfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/644a9d5e22761a41d5005a26996a643da96de962"},{"url":"https://git.kernel.org/stable/c/e0e7faee3a7dd6f51350cda64997116a247eb045"},{"url":"https://git.kernel.org/stable/c/f91037487036e2d2f18d3c2481be6b9a366bde7f"},{"url":"https://git.kernel.org/stable/c/a9df88cb31dcbd72104ec5883f35cbc1fb587e47"},{"url":"https://git.kernel.org/stable/c/ad050f6cf681ebb850a9d4bc19474d3896476301"},{"url":"https://git.kernel.org/stable/c/c6087b82a9146826564a55c5ca0164cac40348f5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:55:31.921Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.4.244"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.10.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.15.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.1.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.3.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}