{"id":"CVE-2026-74450","revision":"4ed2f655ee094bf3b322977fef5f70f9","records":[{"revision":"4ed2f655ee094bf3b322977fef5f70f9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74450","aliases":[],"title":"drm/amd/pm: fix pptable use-after-free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: fix pptable use-after-free\n\namdgpu_dpm_get_pp_table() returns a pointer to a driver-owned power table\nafter dropping adev->pm.mutex. The sysfs path then copies from that pointer.\nA concurrent pp_table write can replace and free the allocation during the\ncopy, causing a use-after-free.\n\nChange the DPM interface to copy into caller-provided storage while the mutex\nis held. Keep the size-only query for attribute discovery without exposing\nthe driver-owned pointer.\n\n(cherry picked from commit f6eed7acfd30099ef7baeb6ba45bb59daad80631)","state":0,"publishedAt":"2026-08-15T12:26:55.127+00:00","modifiedAt":"2026-10-16T19:05:46.575+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/drm/amd/pm/amdgpu_dpm.c\",\n                        \"drivers/gpu/drm/amd/pm/amdgpu_pm.c\",\n                        \"drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"1684d3ba488529266ce6f97b88076bd185f4790e\",\n                            \"lessThan\": \"3fbb3ac75000e3187f500a91a4099b24206866a1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1684d3ba488529266ce6f97b88076bd185f4790e\",\n                            \"lessThan\": \"9efc767335234cf7a892e46d45cd453b711421e7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1684d3ba488529266ce6f97b88076bd185f4790e\",\n                            \"lessThan\": \"81b5af1fb0f14cace6c3b3130a05e5602a597820\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1684d3ba488529266ce6f97b88076bd185f4790e\",\n                            \"lessThan\": \"8c685df5c3b261c42505110965b42f9a754eb9b7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1684d3ba488529266ce6f97b88076bd185f4790e\",\n                            \"lessThan\": \"b628f2c6feb3a115ea72d3120a2bd94afc5163df\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1684d3ba488529266ce6f97b88076bd185f4790e\",\n                            \"lessThan\": \"bb493058c35c8676e48269ab6732688ea733d23c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/drm/amd/pm/amdgpu_dpm.c\",\n                        \"drivers/gpu/drm/amd/pm/amdgpu_pm.c\",\n                        \"drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.184\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.153\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.105\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.46\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.8\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/3fbb3ac75000e3187f500a91a4099b24206866a1","https://git.kernel.org/stable/c/9efc767335234cf7a892e46d45cd453b711421e7","https://git.kernel.org/stable/c/81b5af1fb0f14cace6c3b3130a05e5602a597820","https://git.kernel.org/stable/c/8c685df5c3b261c42505110965b42f9a754eb9b7","https://git.kernel.org/stable/c/b628f2c6feb3a115ea72d3120a2bd94afc5163df","https://git.kernel.org/stable/c/bb493058c35c8676e48269ab6732688ea733d23c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74450","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74450","identifiers":["CVE-2026-74450"]},"retained":false,"historicalAffected":[]}],"coverage":[]}