{"id":"CVE-2026-98781","title":"kernel: drm/mediatek: Fix pdev reference leak in mtk_drm_bind() (CVE-2026-98781)","summary":"A flaw was found in the Linux kernel's MediaTek DRM (Direct Rendering Manager) driver. When binding non-master display devices, the driver fails to release a device reference acquired during initialization. A local user could exploit this …","severity":"low","cvss":2.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","cvssSource":"vendor","cwe":"CWE-911","vendor":"Red Hat","product":"Linux","affected":["Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < 4a0ae61067671f556eeaf5ea4e59a1db63163d70","Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < 4a8f9cad0fced77b36b297c67c42730c9cb32ec6","Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3","Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < cb3e0244514d13507c6048777e1d0277e611cf6c","Linux >= 1ef7ed48356cd5f9af2b7671956991b658d8c2ba < 3753e34b73fcbe2a2edbe984614a008a261697ef","Linux 6.4"],"published":"2026-10-18","updated":"2026-10-23","sourceUpdated":"2026-10-23T11:19:27+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98781.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98781.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98781"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2555061"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98781"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98781"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98781.mbox"},{"url":"https://git.kernel.org/stable/c/4a0ae61067671f556eeaf5ea4e59a1db63163d70"},{"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":["csaf","vex","red-hat","cve.org"],"epss":0.00168,"epssPercentile":0.06016,"ingestedAt":"2026-10-18T16:47:32.489Z","slug":"CVE-2026-98781","body":"## Overview\n\nA flaw was found in the Linux kernel's MediaTek DRM (Direct Rendering Manager) driver. When binding non-master display devices, the driver fails to release a device reference acquired during initialization. A local user could exploit this condition during device initialization or reconfiguration, causing a resource leak that may lead to a Denial of Service (DoS) through resource exhaustion.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98781.json)\n\n**kernel: drm/mediatek: Fix pdev reference leak in mtk_drm_bind()** — rated Low by Red Hat. Released 2026-10-18, updated 2026-10-23.\n\nNot affected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\n## Remediation\n\nRefer to the advisory for fix availability.","depth":"sunlit","depthScore":13,"depthScoreParts":{"impact":12.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":228058,"id":"CVE-2026-98781","ts":1792758064494,"field":"cvss","old":null,"new":"2.3"},{"seq":228057,"id":"CVE-2026-98781","ts":1792758064494,"field":"severity","old":"none","new":"low"}]}