CVE-2026-98779

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98779", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.369Z", "datePublished": "2026-10-18T15:48:16.729Z", "dateUpdated": "2026-10-30T12:39:46.267Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:39:46.267Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix ACP MFD device leak on init failure\n\nacp_hw_init() registers ACP child devices with mfd_add_devices() before\nattaching them to the ACP power domain and initializing the hardware.\n\nIf attaching a child to the power domain fails, or if the ACP reset or\nclock enable operation times out, the failure path frees only the\nsource cell, resource, and platform-data allocations. The child\nplatform devices already registered by mfd_add_devices() remain\nregistered and are never released.\n\nRemove the children from the power domain and unregister the MFD\ndevices on failures that occur after mfd_add_devices() succeeds. Keep\nmfd_add_devices() failures on the existing cleanup path since the MFD\ncore already rolls back partially registered children itself.\n\nThe issue was identified by a static analysis tool I developed and\nconfirmed by manual review.\n\n(cherry picked from commit 63da68d6a2279ec945581c990c5a59a5ae8b5560)"}], "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/amdgpu/amdgpu_acp.c"], "versions": [{"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "385ad314f1c096aae71fff516214bb312a6047fb", "status": "affected", "versionType": "git"}, {"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "7b7f770f48be77ce38e93216983dcdf1ea3a42ba", "status": "affected", "versionType": "git"}, {"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "65ef6645982ccde16a7bc98d025eb80f5fab47f6", "status": "affected", "versionType": "git"}, {"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "d700c26ed64bd3c26e4aa7679b9d5f3333c3747a", "status": "affected", "versionType": "git"}, {"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "2b9a53940a2bc063ea4cd09ee49220a503a0170c", "status": "affected", "versionType": "git"}, {"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "587469076e4ffb617f7ad1a0c4a13072a3e87113", "status": "affected", "versionType": "git"}, {"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "abf854513bc19e6e24d45353ac99ec5627ee0acc", "status": "affected", "versionType": "git"}, {"version": "25030321ba2860c56651429a4f28d94a6483d952", "lessThan": "f0013046151b7467e62c471c1c83d63ea255799c", "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/amdgpu/amdgpu_acp.c"], "versions": [{"version": "4.6", "status": "affected"}, {"version": "0", "lessThan": "4.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "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": "4.6", "versionEndExcluding": "5.10.273"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/385ad314f1c096aae71fff516214bb312a6047fb"}, {"url": "https://git.kernel.org/stable/c/7b7f770f48be77ce38e93216983dcdf1ea3a42ba"}, {"url": "https://git.kernel.org/stable/c/65ef6645982ccde16a7bc98d025eb80f5fab47f6"}, {"url": "https://git.kernel.org/stable/c/d700c26ed64bd3c26e4aa7679b9d5f3333c3747a"}, {"url": "https://git.kernel.org/stable/c/2b9a53940a2bc063ea4cd09ee49220a503a0170c"}, {"url": "https://git.kernel.org/stable/c/587469076e4ffb617f7ad1a0c4a13072a3e87113"}, {"url": "https://git.kernel.org/stable/c/abf854513bc19e6e24d45353ac99ec5627ee0acc"}, {"url": "https://git.kernel.org/stable/c/f0013046151b7467e62c471c1c83d63ea255799c"}], "title": "drm/amdgpu: fix ACP MFD device leak on init failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "385ad314f1c096aae71fff516214bb312a6047fb", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}, {"lessThan": "7b7f770f48be77ce38e93216983dcdf1ea3a42ba", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}, {"lessThan": "65ef6645982ccde16a7bc98d025eb80f5fab47f6", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}, {"lessThan": "d700c26ed64bd3c26e4aa7679b9d5f3333c3747a", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}, {"lessThan": "2b9a53940a2bc063ea4cd09ee49220a503a0170c", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}, {"lessThan": "587469076e4ffb617f7ad1a0c4a13072a3e87113", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}, {"lessThan": "abf854513bc19e6e24d45353ac99ec5627ee0acc", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}, {"lessThan": "f0013046151b7467e62c471c1c83d63ea255799c", "status": "affected", "version": "25030321ba2860c56651429a4f28d94a6483d952", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.6"}, {"lessThan": "4.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.273", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "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/amdgpu: fix ACP MFD device leak on init failure\n\nacp_hw_init() registers ACP child devices with mfd_add_devices() before\nattaching them to the ACP power domain and initializing the hardware.\n\nIf attaching a child to the power domain fails, or if the ACP reset or\nclock enable operation times out, the failure path frees only the\nsource cell, resource, and platform-data allocations. The child\nplatform devices already registered by mfd_add_devices() remain\nregistered and are never released.\n\nRemove the children from the power domain and unregister the MFD\ndevices on failures that occur after mfd_add_devices() succeeds. Keep\nmfd_add_devices() failures on the existing cleanup path since the MFD\ncore already rolls back partially registered children itself.\n\nThe issue was identified by a static analysis tool I developed and\nconfirmed by manual review.\n\n(cherry picked from commit 63da68d6a2279ec945581c990c5a59a5ae8b5560)"}], "id": "CVE-2026-98779", "lastModified": "2026-10-30T13:21:27.513", "metrics": {}, "published": "2026-10-18T16:17:31.853", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b9a53940a2bc063ea4cd09ee49220a503a0170c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/385ad314f1c096aae71fff516214bb312a6047fb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/587469076e4ffb617f7ad1a0c4a13072a3e87113"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/65ef6645982ccde16a7bc98d025eb80f5fab47f6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7b7f770f48be77ce38e93216983dcdf1ea3a42ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/abf854513bc19e6e24d45353ac99ec5627ee0acc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d700c26ed64bd3c26e4aa7679b9d5f3333c3747a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f0013046151b7467e62c471c1c83d63ea255799c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/amdgpu: fix ACP MFD device leak on init failure", "id": "2555062", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555062"}, "csaw": false, "cvss3": {"cvss3_base_score": "1.9", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's AMD GPU (amdgpu) driver. During Audio CoProcessor (ACP) hardware initialization, child multi-function devices are not properly released if a power domain attachment fails or a hardware reset times out. This issue causes an internal resource leak, which may lead to system instability or a Denial of Service (DoS)."], "name": "CVE-2026-98779", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "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-2026-98779\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98779\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98779.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[25030321ba2860c56651429a4f28d94a6483d952,2b9a53940a2bc063ea4cd09ee49220a503a0170c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[25030321ba2860c56651429a4f28d94a6483d952,587469076e4ffb617f7ad1a0c4a13072a3e87113)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[25030321ba2860c56651429a4f28d94a6483d952,abf854513bc19e6e24d45353ac99ec5627ee0acc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[25030321ba2860c56651429a4f28d94a6483d952,f0013046151b7467e62c471c1c83d63ea255799c)"}}], "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": "4.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.113,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.56,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "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": "2026-10-18T23:00:12.908122+00:00", "updated": "2026-10-23T19:45:17.227295+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}