{ "id": "CVE-2024-43838", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-08-17T10:15:09.390", "lastModified": "2024-10-29T16:24:43.273", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: fix overflow check in adjust_jmp_off()\n\nadjust_jmp_off() incorrectly used the insn->imm field for all overflow check,\nwhich is incorrect as that should only be done or the BPF_JMP32 | BPF_JA case,\nnot the general jump instruction case. Fix it by using insn->off for overflow\ncheck in the general case." }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: bpf: corrigi\u00f3 la verificaci\u00f3n de desbordamiento en ajustar_jmp_off() ajuste_jmp_off() us\u00f3 incorrectamente el campo insn->imm para toda la verificaci\u00f3n de desbordamiento, lo cual es incorrecto ya que eso solo debe hacerse o el BPF_JMP32 | Caso BPF_JA, no el caso de instrucci\u00f3n de salto general. Solucionelo usando insn->off para verificar el desbordamiento en el caso general." } ], "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-190" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9.8", "versionEndExcluding": "6.10", "matchCriteriaId": "7CD11465-AFC4-428F-A933-C8F6486DDC2F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.10.3", "matchCriteriaId": "21DC7A88-E88C-4C44-9AFB-CBB30134097C" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/345652866a8869825a2a582ee5a28d75141f184a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/4a04b4f0de59dd5c621e78f15803ee0b0544eeb8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }