{"id":"CVE-2026-98781","title":"drm/mediatek: Fix pdev reference leak in mtk_drm_bind()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Fix pdev reference leak in mtk_drm_bind()\n\nWhen the device is not the mmsys master, mtk_drm_bind() returns early\nafter taking a reference on the disp-mute…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < 4a8f9cad0fced77b36b297c67c42730c9cb32ec6","Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3","Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < cb3e0244514d13507c6048777e1d0277e611cf6c","Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < 3753e34b73fcbe2a2edbe984614a008a261697ef","Linux 6.4"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:48:18.590Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98781","references":[{"url":"https://git.kernel.org/stable/c/4a8f9cad0fced77b36b297c67c42730c9cb32ec6"},{"url":"https://git.kernel.org/stable/c/b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3"},{"url":"https://git.kernel.org/stable/c/cb3e0244514d13507c6048777e1d0277e611cf6c"},{"url":"https://git.kernel.org/stable/c/3753e34b73fcbe2a2edbe984614a008a261697ef"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T16:47:32.489Z","slug":"CVE-2026-98781","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Fix pdev reference leak in mtk_drm_bind()\n\nWhen the device is not the mmsys master, mtk_drm_bind() returns early\nafter taking a reference on the disp-mutex device via\nof_find_device_by_node(), without ever dropping it: mtk_drm_unbind()\nonly puts mutex_dev for the master. Drop the reference before returning\nfrom the non-master path.\n\n## Affected\n\n- `Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < 4a8f9cad0fced77b36b297c67c42730c9cb32ec6`\n- `Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3`\n- `Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < cb3e0244514d13507c6048777e1d0277e611cf6c`\n- `Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < 3753e34b73fcbe2a2edbe984614a008a261697ef`\n- `Linux 6.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}