{"id":"CVE-2025-40156","state":"PUBLISHED","title":"PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()\n\nThe drv->sram_reg pointer could be set to ERR_PTR(-EPROBE_DEFER) which\nwould lead to a error pointer dereference.  Use IS_ERR_OR_NULL() to check\nthat the pointer is valid.","publishedAt":"2025-11-12T10:23:28.994Z","updatedAt":"2026-05-11T21:43:49.328Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"9cc23e221f392304b7b8aad213812564ddf6517e","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"80eab6a9df7e1107dc334434dbacd05297703377","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"44e32104cf7e670e3d683c97b52350d8fac23322","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"fc33bf0e097c6834646b98a7b3da0ae5b617f0f9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/mtk-cci-devfreq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","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/devfreq/mtk-cci-devfreq.c"]}],"references":["https://git.kernel.org/stable/c/9cc23e221f392304b7b8aad213812564ddf6517e","https://git.kernel.org/stable/c/80eab6a9df7e1107dc334434dbacd05297703377","https://git.kernel.org/stable/c/44e32104cf7e670e3d683c97b52350d8fac23322","https://git.kernel.org/stable/c/24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0","https://git.kernel.org/stable/c/fc33bf0e097c6834646b98a7b3da0ae5b617f0f9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40156","state":"PUBLISHED","datePublished":"2025-11-12T10:23:28.994Z","dateUpdated":"2026-05-11T21:43:49.328Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.176Z"},"containers":{"cna":{"title":"PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()\n\nThe drv->sram_reg pointer could be set to ERR_PTR(-EPROBE_DEFER) which\nwould lead to a error pointer dereference.  Use IS_ERR_OR_NULL() to check\nthat the pointer is valid."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"9cc23e221f392304b7b8aad213812564ddf6517e","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"80eab6a9df7e1107dc334434dbacd05297703377","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"44e32104cf7e670e3d683c97b52350d8fac23322","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0","versionType":"git"},{"version":"e09bd5757b5227d6804b30c58d4587f7f87d1afa","status":"affected","lessThan":"fc33bf0e097c6834646b98a7b3da0ae5b617f0f9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/mtk-cci-devfreq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","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/devfreq/mtk-cci-devfreq.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9cc23e221f392304b7b8aad213812564ddf6517e"},{"url":"https://git.kernel.org/stable/c/80eab6a9df7e1107dc334434dbacd05297703377"},{"url":"https://git.kernel.org/stable/c/44e32104cf7e670e3d683c97b52350d8fac23322"},{"url":"https://git.kernel.org/stable/c/24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0"},{"url":"https://git.kernel.org/stable/c/fc33bf0e097c6834646b98a7b3da0ae5b617f0f9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:43:49.328Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.156"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.6.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.12.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}