{"id":"CVE-2024-47141","state":"PUBLISHED","title":"pinmux: Use sequential access to access desc->pinmux data","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinmux: Use sequential access to access desc->pinmux data\n\nWhen two client of the same gpio call pinctrl_select_state() for the\nsame functionality, we are seeing NULL pointer issue while accessing\ndesc->mux_owner.\n\nLet's say two processes A, B executing in pin_request() for the same pin\nand process A updates the desc->mux_usecount but not yet updated the\ndesc->mux_owner while process B see the desc->mux_usecount which got\nupdated by A path and further executes strcmp and while accessing\ndesc->mux_owner it crashes with NULL pointer.\n\nSerialize the access to mux related setting with a mutex lock.\n\n\tcpu0 (process A)\t\t\tcpu1(process B)\n\npinctrl_select_state() {\t\t  pinctrl_select_state() {\n  pin_request() {\t\t\t\tpin_request() {\n  ...\n\t\t\t\t\t\t ....\n    } else {\n         desc->mux_usecount++;\n    \t\t\t\t\t\tdesc->mux_usecount && strcmp(desc->mux_owner, owner)) {\n\n         if (desc->mux_usecount > 1)\n               return 0;\n         desc->mux_owner = owner;\n\n  }\t\t\t\t\t\t}","publishedAt":"2025-01-11T12:25:12.399Z","updatedAt":"2026-10-30T12:19:25.504Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"d25e45dcf8e32062f7935e4ba154869043812ab6","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"2da32aed4a97ca1d70fb8b77926f72f30ce5fb4b","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"c11e2ec9a780f54982a187ee10ffd1b810715c85","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"5a3e85c3c397c781393ea5fb2f45b1f60f8a4e6e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/core.c","drivers/pinctrl/core.h","drivers/pinctrl/pinmux.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.66","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/core.c","drivers/pinctrl/core.h","drivers/pinctrl/pinmux.c"]}],"references":["https://git.kernel.org/stable/c/d25e45dcf8e32062f7935e4ba154869043812ab6","https://git.kernel.org/stable/c/2da32aed4a97ca1d70fb8b77926f72f30ce5fb4b","https://git.kernel.org/stable/c/c11e2ec9a780f54982a187ee10ffd1b810715c85","https://git.kernel.org/stable/c/5a3e85c3c397c781393ea5fb2f45b1f60f8a4e6e"],"weaknesses":["CWE-667"],"ingestedAt":"2026-10-30T12:36:04.432Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47141.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47141","state":"PUBLISHED","datePublished":"2025-01-11T12:25:12.399Z","dateUpdated":"2026-10-30T12:19:25.504Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-01-09T09:50:31.758Z"},"containers":{"cna":{"title":"pinmux: Use sequential access to access desc->pinmux data","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinmux: Use sequential access to access desc->pinmux data\n\nWhen two client of the same gpio call pinctrl_select_state() for the\nsame functionality, we are seeing NULL pointer issue while accessing\ndesc->mux_owner.\n\nLet's say two processes A, B executing in pin_request() for the same pin\nand process A updates the desc->mux_usecount but not yet updated the\ndesc->mux_owner while process B see the desc->mux_usecount which got\nupdated by A path and further executes strcmp and while accessing\ndesc->mux_owner it crashes with NULL pointer.\n\nSerialize the access to mux related setting with a mutex lock.\n\n\tcpu0 (process A)\t\t\tcpu1(process B)\n\npinctrl_select_state() {\t\t  pinctrl_select_state() {\n  pin_request() {\t\t\t\tpin_request() {\n  ...\n\t\t\t\t\t\t ....\n    } else {\n         desc->mux_usecount++;\n    \t\t\t\t\t\tdesc->mux_usecount && strcmp(desc->mux_owner, owner)) {\n\n         if (desc->mux_usecount > 1)\n               return 0;\n         desc->mux_owner = owner;\n\n  }\t\t\t\t\t\t}"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"d25e45dcf8e32062f7935e4ba154869043812ab6","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"2da32aed4a97ca1d70fb8b77926f72f30ce5fb4b","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"c11e2ec9a780f54982a187ee10ffd1b810715c85","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"5a3e85c3c397c781393ea5fb2f45b1f60f8a4e6e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/core.c","drivers/pinctrl/core.h","drivers/pinctrl/pinmux.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.66","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/core.c","drivers/pinctrl/core.h","drivers/pinctrl/pinmux.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d25e45dcf8e32062f7935e4ba154869043812ab6"},{"url":"https://git.kernel.org/stable/c/2da32aed4a97ca1d70fb8b77926f72f30ce5fb4b"},{"url":"https://git.kernel.org/stable/c/c11e2ec9a780f54982a187ee10ffd1b810715c85"},{"url":"https://git.kernel.org/stable/c/5a3e85c3c397c781393ea5fb2f45b1f60f8a4e6e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:19:25.504Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-47141","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:55:54.896424Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-667","lang":"en","type":"CWE","description":"CWE-667 Improper Locking"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:57:22.687Z"}}]}}}