{"id":"CVE-2025-40081","revision":null,"records":[{"revision":"79cef9100147468ab694720a8bddc723","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-40081","aliases":[],"title":"perf: arm_spe: Prevent overflow in PERF_IDX2OFF()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf: arm_spe: Prevent overflow in PERF_IDX2OFF()\n\nCast nr_pages to unsigned long to avoid overflow when handling large\nAUX buffer sizes (>= 2 GiB).","state":0,"publishedAt":"2025-10-28T11:48:45.392+00:00","modifiedAt":"2026-10-15T22:02:37.49+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/perf/arm_spe_pmu.c\"\n ],\n \"versions\": [\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"656e9a5d69acdd1b20462f4a33378b90ddcb9626\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"9c045d4501f7f70724a3bbb561f4f22d292bbfe6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"5d01f2b81568289443d22f1e13a363f829de6343\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"7500384d3c9587593d75ded3b006835e7aa73ef8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"379cae2cb982f571cda9493ac573ab71125fd299\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"1a19ba8e1f4ff24ece8ca69b79df8442c431db90\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"e516cfd19b0f4c774a57b17fb43a7f41991f0735\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d5d9696b03808bc6be723cc85288c912c3a05606\",\n \"lessThan\": \"a29fea30dd93da16652930162b177941abd8c75e\",\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/perf/arm_spe_pmu.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.15\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.15\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.301\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.246\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.195\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.156\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.112\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.53\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.17.3\",\n \"lessThanOrEqual\": \"6.17.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18\",\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/656e9a5d69acdd1b20462f4a33378b90ddcb9626","https://git.kernel.org/stable/c/9c045d4501f7f70724a3bbb561f4f22d292bbfe6","https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343","https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8","https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299","https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90","https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735","https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-40081","license":"CVE Program Terms of 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