{ "id": "CVE-2024-47743", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-10-21T13:15:04.393", "lastModified": "2024-10-22T15:45:15.463", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: prevent NULL pointer dereference in find_asymmetric_key()\n\nIn find_asymmetric_key(), if all NULLs are passed in the id_{0,1,2}\narguments, the kernel will first emit WARN but then have an oops\nbecause id_2 gets dereferenced anyway.\n\nAdd the missing id_2 check and move WARN_ON() to the final else branch\nto avoid duplicate NULL checks.\n\nFound by Linux Verification Center (linuxtesting.org) with Svace static\nanalysis tool." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KEYS: evitar la desreferenciaci\u00f3n de puntero NULL en find_ametric_key() En find_ametric_key(), si se pasan todos los NULL en los argumentos id_{0,1,2}, el kernel primero emitir\u00e1 WARN pero luego tendr\u00e1 un error porque id_2 se desreferencia de todos modos. Agregue la comprobaci\u00f3n id_2 faltante y mueva WARN_ON() a la rama else final para evitar comprobaciones NULL duplicadas. Encontrado por Linux Verification Center (linuxtesting.org) con la herramienta de an\u00e1lisis est\u00e1tico Svace." } ], "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 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.1.113", "matchCriteriaId": "09358D68-A717-469E-B900-8002A642E29A" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.54", "matchCriteriaId": "D448821D-C085-4CAF-88FA-2DDE7BE21976" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.10.13", "matchCriteriaId": "CE94BB8D-B0AB-4563-9ED7-A12122B56EBE" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.11.2", "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/0d3b0706ada15c333e6f9faf19590ff715e45d1e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/13b5b401ead95b5d8266f64904086c55b6024900", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/3322fa8f2aa40b0b3651034cd541647a600cc6c0", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/70fd1966c93bf3bfe3fe6d753eb3d83a76597eef", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a3765b497a4f5224cb2f7a6a2d3357d3066214ee", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }