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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7CD11465-AFC4-428F-A933-C8F6486DDC2F", "versionEndExcluding": "6.10", "versionStartIncluding": "6.9.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "21DC7A88-E88C-4C44-9AFB-CBB30134097C", "versionEndExcluding": "6.10.3", "versionStartIncluding": "6.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2024-43838", "lastModified": "2024-10-29T16:24:43.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2024-08-17T10:15:09.390", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/345652866a8869825a2a582ee5a28d75141f184a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a04b4f0de59dd5c621e78f15803ee0b0544eeb8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bpf: fix overflow check in adjust_jmp_off()", "id": "2305496", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2305496"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-682", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: fix overflow check in adjust_jmp_off()\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."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-43838", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-43838\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-43838\nhttps://lore.kernel.org/linux-cve-announce/2024081729-CVE-2024-43838-968a@gregkh/T"], "statement": "Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.", "threat_severity": "Moderate"}