{"id":"CVE-2022-49644","state":"PUBLISHED","title":"drm/i915: fix a possible refcount leak in intel_dp_add_mst_connector()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: fix a possible refcount leak in intel_dp_add_mst_connector()\n\nIf drm_connector_init fails, intel_connector_free will be called to take\ncare of proper free. So it is necessary to drop the refcount of port\nbefore intel_connector_free.\n\n(cherry picked from commit cea9ed611e85d36a05db52b6457bf584b7d969e2)","publishedAt":"2025-02-26T02:23:50.134Z","updatedAt":"2026-05-11T19:03:55.429Z","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":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"a91522b4279bebb098106a19b91f82b9c3213be9","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"85144df9ff4652816448369de76897c57cbb1b93","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/display/intel_dp_mst.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"5.4.207","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.132","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.56","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.13","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/i915/display/intel_dp_mst.c"]}],"references":["https://git.kernel.org/stable/c/72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5","https://git.kernel.org/stable/c/592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1","https://git.kernel.org/stable/c/505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218","https://git.kernel.org/stable/c/a91522b4279bebb098106a19b91f82b9c3213be9","https://git.kernel.org/stable/c/85144df9ff4652816448369de76897c57cbb1b93"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49644.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49644","state":"PUBLISHED","datePublished":"2025-02-26T02:23:50.134Z","dateUpdated":"2026-05-11T19:03:55.429Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.432Z"},"containers":{"cna":{"title":"drm/i915: fix a possible refcount leak in intel_dp_add_mst_connector()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: fix a possible refcount leak in intel_dp_add_mst_connector()\n\nIf drm_connector_init fails, intel_connector_free will be called to take\ncare of proper free. So it is necessary to drop the refcount of port\nbefore intel_connector_free.\n\n(cherry picked from commit cea9ed611e85d36a05db52b6457bf584b7d969e2)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"a91522b4279bebb098106a19b91f82b9c3213be9","versionType":"git"},{"version":"091a4f91942a4396c67e5747f5cb38c6396d1fc5","status":"affected","lessThan":"85144df9ff4652816448369de76897c57cbb1b93","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/display/intel_dp_mst.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"5.4.207","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.132","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.56","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.13","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/i915/display/intel_dp_mst.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5"},{"url":"https://git.kernel.org/stable/c/592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1"},{"url":"https://git.kernel.org/stable/c/505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218"},{"url":"https://git.kernel.org/stable/c/a91522b4279bebb098106a19b91f82b9c3213be9"},{"url":"https://git.kernel.org/stable/c/85144df9ff4652816448369de76897c57cbb1b93"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:03:55.429Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.207"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.18.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","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-2022-49644","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:33:51.519733Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:48.729Z"}}]}}}