{"id":"CVE-2026-93195","state":"PUBLISHED","title":"drm/bridge: synopsys: dw-dp: Support unregistering the AUX channel","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: synopsys: dw-dp: Support unregistering the AUX channel\n\nThe DisplayPort AUX channel gets initialized and registered during\ndw_dp_bind(), but it is never unregistered, which may lead to resource\nleaks and/or use-after-free.\n\nAdd the missing dw_dp_unbind() function to allow the users of the\nlibrary to handle the required cleanup, i.e. unregister the AUX adapter.","publishedAt":"2026-09-17T16:12:18.457Z","updatedAt":"2026-10-19T09:07:07.595Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"86eecc3a9c2e06462f6a273fcd24150b6da787de","status":"affected","lessThan":"b2bec2d4a769d5b7b8202123404c7cd1aec17861","versionType":"git"},{"version":"86eecc3a9c2e06462f6a273fcd24150b6da787de","status":"affected","lessThan":"48aaa495e24ce5aec3dc56706473b0bd4305a306","versionType":"git"},{"version":"86eecc3a9c2e06462f6a273fcd24150b6da787de","status":"affected","lessThan":"ed04e8e2307f35b3d8d49a554faf5e72d3d224e6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/bridge/synopsys/dw-dp.c","include/drm/bridge/dw_dp.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/bridge/synopsys/dw-dp.c","include/drm/bridge/dw_dp.h"]}],"references":["https://git.kernel.org/stable/c/b2bec2d4a769d5b7b8202123404c7cd1aec17861","https://git.kernel.org/stable/c/48aaa495e24ce5aec3dc56706473b0bd4305a306","https://git.kernel.org/stable/c/ed04e8e2307f35b3d8d49a554faf5e72d3d224e6"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93195.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93195","state":"PUBLISHED","datePublished":"2026-09-17T16:12:18.457Z","dateUpdated":"2026-10-19T09:07:07.595Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.092Z"},"containers":{"cna":{"title":"drm/bridge: synopsys: dw-dp: Support unregistering the AUX channel","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: synopsys: dw-dp: Support unregistering the AUX channel\n\nThe DisplayPort AUX channel gets initialized and registered during\ndw_dp_bind(), but it is never unregistered, which may lead to resource\nleaks and/or use-after-free.\n\nAdd the missing dw_dp_unbind() function to allow the users of the\nlibrary to handle the required cleanup, i.e. unregister the AUX adapter."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"86eecc3a9c2e06462f6a273fcd24150b6da787de","status":"affected","lessThan":"b2bec2d4a769d5b7b8202123404c7cd1aec17861","versionType":"git"},{"version":"86eecc3a9c2e06462f6a273fcd24150b6da787de","status":"affected","lessThan":"48aaa495e24ce5aec3dc56706473b0bd4305a306","versionType":"git"},{"version":"86eecc3a9c2e06462f6a273fcd24150b6da787de","status":"affected","lessThan":"ed04e8e2307f35b3d8d49a554faf5e72d3d224e6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/bridge/synopsys/dw-dp.c","include/drm/bridge/dw_dp.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/bridge/synopsys/dw-dp.c","include/drm/bridge/dw_dp.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/b2bec2d4a769d5b7b8202123404c7cd1aec17861"},{"url":"https://git.kernel.org/stable/c/48aaa495e24ce5aec3dc56706473b0bd4305a306"},{"url":"https://git.kernel.org/stable/c/ed04e8e2307f35b3d8d49a554faf5e72d3d224e6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:07:07.595Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}