{"id":"CVE-2022-49376","state":"PUBLISHED","title":"scsi: sd: Fix potential NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: sd: Fix potential NULL pointer dereference\n\nIf sd_probe() sees an early error before sdkp->device is initialized,\nsd_zbc_release_disk() is called. This causes a NULL pointer dereference\nwhen sd_is_zoned() is called inside that function. Avoid this by removing\nthe call to sd_zbc_release_disk() in sd_probe() error path.\n\nThis change is safe and does not result in zone information memory leakage\nbecause the zone information for a zoned disk is allocated only when\nsd_revalidate_disk() is called, at which point sdkp->disk_dev is fully set,\nresulting in sd_disk_release() being called when needed to cleanup a disk\nzone information using sd_zbc_release_disk().","publishedAt":"2025-02-26T02:11:16.118Z","updatedAt":"2026-05-11T18:58:29.817Z","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":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"c1f0187025905e9981000d44a92e159468b561a8","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"0fcb0b131cc90c8f523a293d84c58d0c7273c96f","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"78f8e96df06e2d04d82d4071c299b59d28744f47","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"3733439593ad12f7b54ae35c273ea6f15d692de3","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"05fbde3a77a4f1d62e4c4428f384288c1f1a0be5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]}],"references":["https://git.kernel.org/stable/c/c1f0187025905e9981000d44a92e159468b561a8","https://git.kernel.org/stable/c/0fcb0b131cc90c8f523a293d84c58d0c7273c96f","https://git.kernel.org/stable/c/78f8e96df06e2d04d82d4071c299b59d28744f47","https://git.kernel.org/stable/c/3733439593ad12f7b54ae35c273ea6f15d692de3","https://git.kernel.org/stable/c/05fbde3a77a4f1d62e4c4428f384288c1f1a0be5"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49376.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49376","state":"PUBLISHED","datePublished":"2025-02-26T02:11:16.118Z","dateUpdated":"2026-05-11T18:58:29.817Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.558Z"},"containers":{"cna":{"title":"scsi: sd: Fix potential NULL pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: sd: Fix potential NULL pointer dereference\n\nIf sd_probe() sees an early error before sdkp->device is initialized,\nsd_zbc_release_disk() is called. This causes a NULL pointer dereference\nwhen sd_is_zoned() is called inside that function. Avoid this by removing\nthe call to sd_zbc_release_disk() in sd_probe() error path.\n\nThis change is safe and does not result in zone information memory leakage\nbecause the zone information for a zoned disk is allocated only when\nsd_revalidate_disk() is called, at which point sdkp->disk_dev is fully set,\nresulting in sd_disk_release() being called when needed to cleanup a disk\nzone information using sd_zbc_release_disk()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"c1f0187025905e9981000d44a92e159468b561a8","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"0fcb0b131cc90c8f523a293d84c58d0c7273c96f","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"78f8e96df06e2d04d82d4071c299b59d28744f47","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"3733439593ad12f7b54ae35c273ea6f15d692de3","versionType":"git"},{"version":"89d9475610771b5e5fe1879075f0fc9ba6e3755f","status":"affected","lessThan":"05fbde3a77a4f1d62e4c4428f384288c1f1a0be5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c1f0187025905e9981000d44a92e159468b561a8"},{"url":"https://git.kernel.org/stable/c/0fcb0b131cc90c8f523a293d84c58d0c7273c96f"},{"url":"https://git.kernel.org/stable/c/78f8e96df06e2d04d82d4071c299b59d28744f47"},{"url":"https://git.kernel.org/stable/c/3733439593ad12f7b54ae35c273ea6f15d692de3"},{"url":"https://git.kernel.org/stable/c/05fbde3a77a4f1d62e4c4428f384288c1f1a0be5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:58:29.817Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.10.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.15.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.17.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.19"}]}]}],"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":{"id":"CVE-2022-49376","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:41:58.424102Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:52.245Z"}}]}}}