{"id":"CVE-2023-52508","state":"PUBLISHED","title":"nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()\n\nThe nvme_fc_fcp_op structure describing an AEN operation is initialized with a\nnull request structure pointer. An FC LLDD may make a call to\nnvme_fc_io_getuuid passing a pointer to an nvmefc_fcp_req for an AEN operation.\n\nAdd validation of the request structure pointer before dereference.","publishedAt":"2024-03-02T21:52:21.361Z","updatedAt":"2026-05-23T15:25:46.613Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"827fc630e4c8087df5a8e8ee013b686bd6f13736","status":"affected","lessThan":"be90c9e29dd59b7d19a73297a1590ff3ec1d22ea","versionType":"git"},{"version":"827fc630e4c8087df5a8e8ee013b686bd6f13736","status":"affected","lessThan":"dd46b3ac7322baf3772b33b29726e94f98289db7","versionType":"git"},{"version":"827fc630e4c8087df5a8e8ee013b686bd6f13736","status":"affected","lessThan":"8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c","versionType":"git"},{"version":"7a41fdf27a4b1ee565ce5bf3e409b2df0b8514c4","status":"affected","versionType":"git"},{"version":"5.18.18","status":"affected","lessThan":"5.19","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.56","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.6","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]}],"references":["https://git.kernel.org/stable/c/be90c9e29dd59b7d19a73297a1590ff3ec1d22ea","https://git.kernel.org/stable/c/dd46b3ac7322baf3772b33b29726e94f98289db7","https://git.kernel.org/stable/c/8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52508.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52508","state":"PUBLISHED","datePublished":"2024-03-02T21:52:21.361Z","dateUpdated":"2026-05-23T15:25:46.613Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-20T12:30:33.315Z"},"containers":{"cna":{"title":"nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()\n\nThe nvme_fc_fcp_op structure describing an AEN operation is initialized with a\nnull request structure pointer. An FC LLDD may make a call to\nnvme_fc_io_getuuid passing a pointer to an nvmefc_fcp_req for an AEN operation.\n\nAdd validation of the request structure pointer before dereference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"827fc630e4c8087df5a8e8ee013b686bd6f13736","status":"affected","lessThan":"be90c9e29dd59b7d19a73297a1590ff3ec1d22ea","versionType":"git"},{"version":"827fc630e4c8087df5a8e8ee013b686bd6f13736","status":"affected","lessThan":"dd46b3ac7322baf3772b33b29726e94f98289db7","versionType":"git"},{"version":"827fc630e4c8087df5a8e8ee013b686bd6f13736","status":"affected","lessThan":"8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c","versionType":"git"},{"version":"7a41fdf27a4b1ee565ce5bf3e409b2df0b8514c4","status":"affected","versionType":"git"},{"version":"5.18.18","status":"affected","lessThan":"5.19","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.56","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.6","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/be90c9e29dd59b7d19a73297a1590ff3ec1d22ea"},{"url":"https://git.kernel.org/stable/c/dd46b3ac7322baf3772b33b29726e94f98289db7"},{"url":"https://git.kernel.org/stable/c/8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:25:46.613Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.5.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-06-24T14:59:29.447343Z","id":"CVE-2023-52508","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-24T15:00:16.544Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/be90c9e29dd59b7d19a73297a1590ff3ec1d22ea","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/dd46b3ac7322baf3772b33b29726e94f98289db7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T23:03:20.433Z"}}]}}}