{"id":"CVE-2022-49485","state":"PUBLISHED","title":"drm/v3d: Fix null pointer dereference of pointer perfmon","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Fix null pointer dereference of pointer perfmon\n\nIn the unlikely event that pointer perfmon is null the WARN_ON return path\noccurs after the pointer has already been deferenced. Fix this by only\ndereferencing perfmon after it has been null checked.","publishedAt":"2025-02-26T02:13:24.154Z","updatedAt":"2026-05-11T19:00:48.538Z","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":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"4be045434923e549a50846a066a04b7b6c1d6d33","versionType":"git"},{"version":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"1df8f8901babcc8c8eea2c067179e455b5c828fd","versionType":"git"},{"version":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8","versionType":"git"},{"version":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"ce7a1ecf3f9f1fccaf67295307614511d8e11b13","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/v3d/v3d_perfmon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","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/gpu/drm/v3d/v3d_perfmon.c"]}],"references":["https://git.kernel.org/stable/c/4be045434923e549a50846a066a04b7b6c1d6d33","https://git.kernel.org/stable/c/1df8f8901babcc8c8eea2c067179e455b5c828fd","https://git.kernel.org/stable/c/3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8","https://git.kernel.org/stable/c/ce7a1ecf3f9f1fccaf67295307614511d8e11b13"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49485.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49485","state":"PUBLISHED","datePublished":"2025-02-26T02:13:24.154Z","dateUpdated":"2026-05-11T19:00:48.538Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.582Z"},"containers":{"cna":{"title":"drm/v3d: Fix null pointer dereference of pointer perfmon","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Fix null pointer dereference of pointer perfmon\n\nIn the unlikely event that pointer perfmon is null the WARN_ON return path\noccurs after the pointer has already been deferenced. Fix this by only\ndereferencing perfmon after it has been null checked."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"4be045434923e549a50846a066a04b7b6c1d6d33","versionType":"git"},{"version":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"1df8f8901babcc8c8eea2c067179e455b5c828fd","versionType":"git"},{"version":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8","versionType":"git"},{"version":"26a4dc29b74a137f45665089f6d3d633fcc9b662","status":"affected","lessThan":"ce7a1ecf3f9f1fccaf67295307614511d8e11b13","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/v3d/v3d_perfmon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","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/gpu/drm/v3d/v3d_perfmon.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4be045434923e549a50846a066a04b7b6c1d6d33"},{"url":"https://git.kernel.org/stable/c/1df8f8901babcc8c8eea2c067179e455b5c828fd"},{"url":"https://git.kernel.org/stable/c/3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8"},{"url":"https://git.kernel.org/stable/c/ce7a1ecf3f9f1fccaf67295307614511d8e11b13"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:00:48.538Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","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-2022-49485","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:39:10.314542Z"}}}],"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":"2025-10-01T19:46:44.585Z"}}]}}}