{"id":"CVE-2025-40030","state":"PUBLISHED","title":"pinctrl: check the return value of pinmux_ops::get_function_name()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: check the return value of pinmux_ops::get_function_name()\n\nWhile the API contract in docs doesn't specify it explicitly, the\ngeneric implementation of the get_function_name() callback from struct\npinmux_ops - pinmux_generic_get_function_name() - can fail and return\nNULL. This is already checked in pinmux_check_ops() so add a similar\ncheck in pinmux_func_name_to_selector() instead of passing the returned\npointer right down to strcmp() where the NULL can get dereferenced. This\nis normal operation when adding new pinfunctions.","publishedAt":"2025-10-28T11:48:01.608Z","updatedAt":"2026-05-11T21:41:07.740Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"1a7fc8fed2bb2e113604fde7a45432ace2056b97","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"e7265dc4c670b89611bcf5fe33acf99bc0aa294f","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"d77ef2f621cd1d605372c4c6ce667c496f6990c3","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"ba7f7c2b2b3261e7def67018c38c69b626e0e66e","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"1a2ea887a5cd7d47bab599f733d89444df018b1a","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"688c688e0bf55824f4a38f8c2180046f089a3e3b","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"b7e0535060a60cc99eafc19cc665d979714cd73a","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"4002ee98c022d671ecc1e4a84029e9ae7d8a5603","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinmux.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.4.301","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.246","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.195","status":"unaffected","lessThanOrEqual":"5.15.*","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/pinctrl/pinmux.c"]}],"references":["https://git.kernel.org/stable/c/1a7fc8fed2bb2e113604fde7a45432ace2056b97","https://git.kernel.org/stable/c/e7265dc4c670b89611bcf5fe33acf99bc0aa294f","https://git.kernel.org/stable/c/d77ef2f621cd1d605372c4c6ce667c496f6990c3","https://git.kernel.org/stable/c/ba7f7c2b2b3261e7def67018c38c69b626e0e66e","https://git.kernel.org/stable/c/1a2ea887a5cd7d47bab599f733d89444df018b1a","https://git.kernel.org/stable/c/688c688e0bf55824f4a38f8c2180046f089a3e3b","https://git.kernel.org/stable/c/b7e0535060a60cc99eafc19cc665d979714cd73a","https://git.kernel.org/stable/c/4002ee98c022d671ecc1e4a84029e9ae7d8a5603"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40030.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40030","state":"PUBLISHED","datePublished":"2025-10-28T11:48:01.608Z","dateUpdated":"2026-05-11T21:41:07.740Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.153Z"},"containers":{"cna":{"title":"pinctrl: check the return value of pinmux_ops::get_function_name()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: check the return value of pinmux_ops::get_function_name()\n\nWhile the API contract in docs doesn't specify it explicitly, the\ngeneric implementation of the get_function_name() callback from struct\npinmux_ops - pinmux_generic_get_function_name() - can fail and return\nNULL. This is already checked in pinmux_check_ops() so add a similar\ncheck in pinmux_func_name_to_selector() instead of passing the returned\npointer right down to strcmp() where the NULL can get dereferenced. This\nis normal operation when adding new pinfunctions."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"1a7fc8fed2bb2e113604fde7a45432ace2056b97","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"e7265dc4c670b89611bcf5fe33acf99bc0aa294f","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"d77ef2f621cd1d605372c4c6ce667c496f6990c3","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"ba7f7c2b2b3261e7def67018c38c69b626e0e66e","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"1a2ea887a5cd7d47bab599f733d89444df018b1a","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"688c688e0bf55824f4a38f8c2180046f089a3e3b","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"b7e0535060a60cc99eafc19cc665d979714cd73a","versionType":"git"},{"version":"f913cfce4ee49a3382a9ff95696f49a46e56e974","status":"affected","lessThan":"4002ee98c022d671ecc1e4a84029e9ae7d8a5603","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinmux.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.4.301","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.246","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.195","status":"unaffected","lessThanOrEqual":"5.15.*","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/pinctrl/pinmux.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1a7fc8fed2bb2e113604fde7a45432ace2056b97"},{"url":"https://git.kernel.org/stable/c/e7265dc4c670b89611bcf5fe33acf99bc0aa294f"},{"url":"https://git.kernel.org/stable/c/d77ef2f621cd1d605372c4c6ce667c496f6990c3"},{"url":"https://git.kernel.org/stable/c/ba7f7c2b2b3261e7def67018c38c69b626e0e66e"},{"url":"https://git.kernel.org/stable/c/1a2ea887a5cd7d47bab599f733d89444df018b1a"},{"url":"https://git.kernel.org/stable/c/688c688e0bf55824f4a38f8c2180046f089a3e3b"},{"url":"https://git.kernel.org/stable/c/b7e0535060a60cc99eafc19cc665d979714cd73a"},{"url":"https://git.kernel.org/stable/c/4002ee98c022d671ecc1e4a84029e9ae7d8a5603"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:41:07.740Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.4.301"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1.156"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.6.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.12.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}