{"id":"CVE-2025-40036","state":"PUBLISHED","title":"misc: fastrpc: fix possible map leak in fastrpc_put_args","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix possible map leak in fastrpc_put_args\n\ncopy_to_user() failure would cause an early return without cleaning up\nthe fdlist, which has been updated by the DSP. This could lead to map\nleak. Fix this by redirecting to a cleanup path on failure, ensuring\nthat all mapped buffers are properly released before returning.","publishedAt":"2025-10-28T11:48:17.630Z","updatedAt":"2026-05-11T21:41:14.519Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"a085658264d0c8d4f795d4631f77d7289a021de9","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"3ad42dc66445df6977cf4be0c06f1a655299ce6c","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"78d33a041555db03903e8037fd053ed74fbd88cb","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"c000f65f0ac93d9f9cc69a230d372f6ca93e4879","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"da1ba64176e0138f2bfa96f9e43e8c3640d01e1e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/misc/fastrpc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","versionType":"semver"},{"version":"6.1.156","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.112","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.53","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.3","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/misc/fastrpc.c"]}],"references":["https://git.kernel.org/stable/c/a085658264d0c8d4f795d4631f77d7289a021de9","https://git.kernel.org/stable/c/3ad42dc66445df6977cf4be0c06f1a655299ce6c","https://git.kernel.org/stable/c/78d33a041555db03903e8037fd053ed74fbd88cb","https://git.kernel.org/stable/c/c000f65f0ac93d9f9cc69a230d372f6ca93e4879","https://git.kernel.org/stable/c/da1ba64176e0138f2bfa96f9e43e8c3640d01e1e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40036.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40036","state":"PUBLISHED","datePublished":"2025-10-28T11:48:17.630Z","dateUpdated":"2026-05-11T21:41:14.519Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.153Z"},"containers":{"cna":{"title":"misc: fastrpc: fix possible map leak in fastrpc_put_args","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix possible map leak in fastrpc_put_args\n\ncopy_to_user() failure would cause an early return without cleaning up\nthe fdlist, which has been updated by the DSP. This could lead to map\nleak. Fix this by redirecting to a cleanup path on failure, ensuring\nthat all mapped buffers are properly released before returning."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"a085658264d0c8d4f795d4631f77d7289a021de9","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"3ad42dc66445df6977cf4be0c06f1a655299ce6c","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"78d33a041555db03903e8037fd053ed74fbd88cb","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"c000f65f0ac93d9f9cc69a230d372f6ca93e4879","versionType":"git"},{"version":"c68cfb718c8f97b7f7a50ed66be5feb42d0c8988","status":"affected","lessThan":"da1ba64176e0138f2bfa96f9e43e8c3640d01e1e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/misc/fastrpc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","versionType":"semver"},{"version":"6.1.156","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.112","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.53","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.3","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/misc/fastrpc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a085658264d0c8d4f795d4631f77d7289a021de9"},{"url":"https://git.kernel.org/stable/c/3ad42dc66445df6977cf4be0c06f1a655299ce6c"},{"url":"https://git.kernel.org/stable/c/78d33a041555db03903e8037fd053ed74fbd88cb"},{"url":"https://git.kernel.org/stable/c/c000f65f0ac93d9f9cc69a230d372f6ca93e4879"},{"url":"https://git.kernel.org/stable/c/da1ba64176e0138f2bfa96f9e43e8c3640d01e1e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:41:14.519Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.1.156"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.6.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.12.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}