CVE-2026-98781

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98781", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.369Z", "datePublished": "2026-10-18T15:48:18.590Z", "dateUpdated": "2026-10-21T12:56:55.059Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:56:55.059Z"}, "descriptions": [{"lang": "en", "value": "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-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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/mediatek/mtk_drm_drv.c"], "versions": [{"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "4a0ae61067671f556eeaf5ea4e59a1db63163d70", "status": "affected", "versionType": "git"}, {"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "4a8f9cad0fced77b36b297c67c42730c9cb32ec6", "status": "affected", "versionType": "git"}, {"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3", "status": "affected", "versionType": "git"}, {"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "cb3e0244514d13507c6048777e1d0277e611cf6c", "status": "affected", "versionType": "git"}, {"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "3753e34b73fcbe2a2edbe984614a008a261697ef", "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/mediatek/mtk_drm_drv.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.4", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.3"}]}]}], "references": [{"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"}], "title": "drm/mediatek: Fix pdev reference leak in mtk_drm_bind()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/mediatek/mtk_drm_drv.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "4a0ae61067671f556eeaf5ea4e59a1db63163d70", "status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "versionType": "git"}, {"lessThan": "4a8f9cad0fced77b36b297c67c42730c9cb32ec6", "status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "versionType": "git"}, {"lessThan": "b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3", "status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "versionType": "git"}, {"lessThan": "cb3e0244514d13507c6048777e1d0277e611cf6c", "status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "versionType": "git"}, {"lessThan": "3753e34b73fcbe2a2edbe984614a008a261697ef", "status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/mediatek/mtk_drm_drv.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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-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."}], "id": "CVE-2026-98781", "lastModified": "2026-10-21T13:21:46.193", "metrics": {}, "published": "2026-10-18T16:17:32.060", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3753e34b73fcbe2a2edbe984614a008a261697ef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a0ae61067671f556eeaf5ea4e59a1db63163d70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a8f9cad0fced77b36b297c67c42730c9cb32ec6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cb3e0244514d13507c6048777e1d0277e611cf6c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/mediatek: Fix pdev reference leak in mtk_drm_bind()", "id": "2555061", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555061"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-911", "details": ["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 condition during device initialization or reconfiguration, causing a resource leak that may lead to a Denial of Service (DoS) through resource exhaustion."], "name": "CVE-2026-98781", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98781\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98781\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98781.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1ef7ed48356cd5f9af2b7671956991b658d8c2ba,4a8f9cad0fced77b36b297c67c42730c9cb32ec6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1ef7ed48356cd5f9af2b7671956991b658d8c2ba,b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1ef7ed48356cd5f9af2b7671956991b658d8c2ba,cb3e0244514d13507c6048777e1d0277e611cf6c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1ef7ed48356cd5f9af2b7671956991b658d8c2ba,3753e34b73fcbe2a2edbe984614a008a261697ef)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.113,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.56,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.10,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-18T21:45:05.269952+00:00", "updated": "2026-10-23T19:15:14.493080+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}