{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68256","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-30T09:28:09.378Z","datePublished":"2026-08-10T12:01:26.406Z","dateUpdated":"2026-08-17T05:01:47.968Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:01:47.968Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink reference\n\nprev_sink is unconditionally retained via dc_sink_retain at function\n  entry, but the DP alt mode timeout path inside SIGNAL_TYPE_DISPLAY_PORT\n  returns false without releasing prev_sink. All other return paths in the\n  function correctly call dc_sink_release(prev_sink), making this the only\n  missing cleanup.\n\n(cherry picked from commit 45510cf662dcf46b5d8926d454f338809f107b9d)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/link/link_detection.c"],"versions":[{"version":"54618888d1ea7a26f8bccfb89e3c2420350c8047","lessThan":"f9922828a4ebd26286fbe0286cc61695e7d9b07b","status":"affected","versionType":"git"},{"version":"54618888d1ea7a26f8bccfb89e3c2420350c8047","lessThan":"a59e493567d18ef3858be9368acd132a01ebfa09","status":"affected","versionType":"git"},{"version":"54618888d1ea7a26f8bccfb89e3c2420350c8047","lessThan":"4ee77643e6194f2deb62fe62f04396f9825e27d8","status":"affected","versionType":"git"},{"version":"54618888d1ea7a26f8bccfb89e3c2420350c8047","lessThan":"58ea24dd96848626039296e9e8510270ec8dc4bf","status":"affected","versionType":"git"},{"version":"54618888d1ea7a26f8bccfb89e3c2420350c8047","lessThan":"a6e14b976be48eebd8769cb5b883a6af7fc5ade1","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/link/link_detection.c"],"versions":[{"version":"6.3","status":"affected"},{"version":"0","lessThan":"6.3","status":"unaffected","versionType":"semver"},{"version":"6.6.148","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.101","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.42","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.6","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f9922828a4ebd26286fbe0286cc61695e7d9b07b"},{"url":"https://git.kernel.org/stable/c/a59e493567d18ef3858be9368acd132a01ebfa09"},{"url":"https://git.kernel.org/stable/c/4ee77643e6194f2deb62fe62f04396f9825e27d8"},{"url":"https://git.kernel.org/stable/c/58ea24dd96848626039296e9e8510270ec8dc4bf"},{"url":"https://git.kernel.org/stable/c/a6e14b976be48eebd8769cb5b883a6af7fc5ade1"}],"title":"drm/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink reference","x_generator":{"engine":"bippy-1.2.0"}}}}