{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T05:00:57.598","vulnerabilities":[{"cve":{"id":"CVE-2024-47141","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-01-11T13:15:21.830","lastModified":"2025-10-01T20:17:14.863","vulnStatus":"Modified","cveTags":[],"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}"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinmux: usar acceso secuencial para acceder a los datos de desc->pinmux Cuando dos clientes del mismo gpio llaman a pinctrl_select_state() para la misma funcionalidad, vemos un problema de puntero NULL al acceder a desc->mux_owner. Digamos que dos procesos A, B se ejecutan en pin_request() para el mismo pin y el proceso A actualiza desc->mux_usecount pero aún no actualiza desc->mux_owner mientras que el proceso B ve desc->mux_usecount que fue actualizado por la ruta A y luego ejecuta strcmp y mientras accede a desc->mux_owner se bloquea con el puntero NULL. Serialice el acceso a la configuración relacionada con mux con un bloqueo de mutex. cpu0 (proceso A) cpu1 (proceso B) pinctrl_select_state() { pinctrl_select_state() { pin_request() { pin_request() { ... .... } de lo contrario { desc->mux_usecount++; desc->mux_usecount && strcmp(desc->mux_owner, propietario)) { si (desc->mux_usecount > 1) devuelve 0; desc->mux_owner = propietario; } }"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-667"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-667"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.66","matchCriteriaId":"90A079EF-8212-45DF-84FB-C525A64635B0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.5","matchCriteriaId":"9501D045-7A94-42CA-8B03-821BE94A65B7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2da32aed4a97ca1d70fb8b77926f72f30ce5fb4b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5a3e85c3c397c781393ea5fb2f45b1f60f8a4e6e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/c11e2ec9a780f54982a187ee10ffd1b810715c85","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}