{"api_version":"1","generated_at":"2026-10-23T09:57:44+00:00","cve":"CVE-2026-98779","urls":{"html":"https://cve.report/CVE-2026-98779","api":"https://cve.report/api/cve/CVE-2026-98779.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98779","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98779"},"summary":{"title":"drm/amdgpu: fix ACP MFD device leak on init failure","description":"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)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:31","updated_at":"2026-10-21 13:21:45"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/abf854513bc19e6e24d45353ac99ec5627ee0acc","name":"https://git.kernel.org/stable/c/abf854513bc19e6e24d45353ac99ec5627ee0acc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2b9a53940a2bc063ea4cd09ee49220a503a0170c","name":"https://git.kernel.org/stable/c/2b9a53940a2bc063ea4cd09ee49220a503a0170c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f0013046151b7467e62c471c1c83d63ea255799c","name":"https://git.kernel.org/stable/c/f0013046151b7467e62c471c1c83d63ea255799c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/587469076e4ffb617f7ad1a0c4a13072a3e87113","name":"https://git.kernel.org/stable/c/587469076e4ffb617f7ad1a0c4a13072a3e87113","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d700c26ed64bd3c26e4aa7679b9d5f3333c3747a","name":"https://git.kernel.org/stable/c/d700c26ed64bd3c26e4aa7679b9d5f3333c3747a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98779","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98779","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 25030321ba2860c56651429a4f28d94a6483d952 d700c26ed64bd3c26e4aa7679b9d5f3333c3747a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 25030321ba2860c56651429a4f28d94a6483d952 2b9a53940a2bc063ea4cd09ee49220a503a0170c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 25030321ba2860c56651429a4f28d94a6483d952 587469076e4ffb617f7ad1a0c4a13072a3e87113 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 25030321ba2860c56651429a4f28d94a6483d952 abf854513bc19e6e24d45353ac99ec5627ee0acc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 25030321ba2860c56651429a4f28d94a6483d952 f0013046151b7467e62c471c1c83d63ea255799c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.6","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.160 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.113 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.56 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.10 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98779","cve":"CVE-2026-98779","epss":"0.001680000","percentile":"0.057210000","score_date":"2026-10-21","updated_at":"2026-10-22 00:15:10"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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":"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":"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"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.160","versionStartIncluding":"4.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.113","versionStartIncluding":"4.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.56","versionStartIncluding":"4.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.10","versionStartIncluding":"4.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"4.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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)"}],"providerMetadata":{"dateUpdated":"2026-10-21T12:56:52.904Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98779","datePublished":"2026-10-18T15:48:16.729Z","dateReserved":"2026-09-25T10:25:14.369Z","dateUpdated":"2026-10-21T12:56:52.904Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:31","lastModifiedDate":"2026-10-21 13:21:45","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98779","Ordinal":"1","Title":"drm/amdgpu: fix ACP MFD device leak on init failure","CVE":"CVE-2026-98779","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98779","Ordinal":"1","NoteData":"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)","Type":"Description","Title":"drm/amdgpu: fix ACP MFD device leak on init failure"}]}}}