{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40081","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.161Z","datePublished":"2025-10-28T11:48:45.392Z","dateUpdated":"2026-05-11T21:42:08.492Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:42:08.492Z"},"descriptions":[{"lang":"en","value":"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)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/perf/arm_spe_pmu.c"],"versions":[{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"656e9a5d69acdd1b20462f4a33378b90ddcb9626","status":"affected","versionType":"git"},{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"9c045d4501f7f70724a3bbb561f4f22d292bbfe6","status":"affected","versionType":"git"},{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"5d01f2b81568289443d22f1e13a363f829de6343","status":"affected","versionType":"git"},{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"7500384d3c9587593d75ded3b006835e7aa73ef8","status":"affected","versionType":"git"},{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"379cae2cb982f571cda9493ac573ab71125fd299","status":"affected","versionType":"git"},{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"1a19ba8e1f4ff24ece8ca69b79df8442c431db90","status":"affected","versionType":"git"},{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"e516cfd19b0f4c774a57b17fb43a7f41991f0735","status":"affected","versionType":"git"},{"version":"d5d9696b03808bc6be723cc85288c912c3a05606","lessThan":"a29fea30dd93da16652930162b177941abd8c75e","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/perf/arm_spe_pmu.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"5.4.301","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.246","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.195","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.156","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.112","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.53","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.3","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18","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":"4.15","versionEndExcluding":"5.4.301"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.156"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/656e9a5d69acdd1b20462f4a33378b90ddcb9626"},{"url":"https://git.kernel.org/stable/c/9c045d4501f7f70724a3bbb561f4f22d292bbfe6"},{"url":"https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343"},{"url":"https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8"},{"url":"https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299"},{"url":"https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90"},{"url":"https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735"},{"url":"https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e"}],"title":"perf: arm_spe: Prevent overflow in PERF_IDX2OFF()","x_generator":{"engine":"bippy-1.2.0"}}}}