{"id":"CVE-2025-38322","revision":null,"records":[{"revision":"ec4dab0f8e574486a7e9a45b43f177e1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-38322","aliases":[],"title":"perf/x86/intel: Fix crash in icl_update_topdown_event()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel: Fix crash in icl_update_topdown_event()\n\nThe perf_fuzzer found a hard-lockup crash on a RaptorLake machine:\n\n Oops: general protection fault, maybe for address 0xffff89aeceab400: 0000\n CPU: 23 UID: 0 PID: 0 Comm: swapper/23\n Tainted: [W]=WARN\n Hardware name: Dell Inc. Precision 9660/0VJ762\n RIP: 0010:native_read_pmc+0x7/0x40\n Code: cc e8 8d a9 01 00 48 89 03 5b cd cc cc cc cc 0f 1f ...\n RSP: 000:fffb03100273de8 EFLAGS: 00010046\n ....\n Call Trace:\n \n icl_update_topdown_event+0x165/0x190\n ? ktime_get+0x38/0xd0\n intel_pmu_read_event+0xf9/0x210\n __perf_event_read+0xf9/0x210\n\nCPUs 16-23 are E-core CPUs that don't support the perf metrics feature.\nThe icl_update_topdown_event() should not be invoked on these CPUs.\n\nIt's a regression of commit:\n\n f9bdf1f95339 (\"perf/x86/intel: Avoid disable PMU if !cpuc->enabled in sample read\")\n\nThe bug introduced by that commit is that the is_topdown_event() function\nis mistakenly used to replace the is_topdown_count() call to check if the\ntopdown functions for the perf metrics feature should be invoked.\n\nFix it.","state":0,"publishedAt":"2025-07-10T08:14:57.603+00:00","modifiedAt":"2026-10-15T01:07:05.484+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 \"arch/x86/events/intel/core.c\"\n ],\n \"versions\": [\n {\n \"version\": \"781b2db0eb7731fbde510c268b7ccc62959c3feb\",\n \"lessThan\": \"702ea6028032d6c1fe96c2d4762a3575e3654819\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e7f6922c8a5b41522a8329ea6bbf815993b2dd28\",\n \"lessThan\": \"79e2dd573116d3338507c311460da9669095c94d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3a8bec6583e5239de3bd597ab382dc6c2b0c29a1\",\n \"lessThan\": \"e97c45c770f5e56c784a46c2a96ab968d26b97d9\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f9bdf1f953392c9edd69a7f884f78c0390127029\",\n \"lessThan\": \"a85cc69acdcb05f8cd226b8ea0778b8e2e887e6f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f9bdf1f953392c9edd69a7f884f78c0390127029\",\n \"lessThan\": \"b0823d5fbacb1c551d793cbfe7af24e0d1fa45ed\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"06cd7bfbb86e9db3e9013ea6636ad2c6f0a1664d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d8370aa704bd7e384918c8f466856374725c0585\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6.1.134\",\n \"lessThan\": \"6.1.149\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.87\",\n \"lessThan\": \"6.6.101\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.23\",\n \"lessThan\": \"6.12.49\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.13.11\",\n \"lessThan\": \"6.14\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.14.2\",\n \"lessThan\": \"6.15\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\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 \"arch/x86/events/intel/core.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.15\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.15\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.149\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.101\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.49\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.15.4\",\n \"lessThanOrEqual\": \"6.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.16\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/702ea6028032d6c1fe96c2d4762a3575e3654819","https://git.kernel.org/stable/c/79e2dd573116d3338507c311460da9669095c94d","https://git.kernel.org/stable/c/e97c45c770f5e56c784a46c2a96ab968d26b97d9","https://git.kernel.org/stable/c/a85cc69acdcb05f8cd226b8ea0778b8e2e887e6f","https://git.kernel.org/stable/c/b0823d5fbacb1c551d793cbfe7af24e0d1fa45ed"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38322","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-38322","identifiers":["CVE-2025-38322"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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