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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1A5E25C4-1AB9-41C9-88CF-A493EE371276", "versionEndExcluding": "6.10.10", "versionStartIncluding": "4.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Remove tst_run from lwt_seg6local_prog_ops.\n\nThe syzbot reported that the lwt_seg6 related BPF ops can be invoked\nvia bpf_test_run() without without entering input_action_end_bpf()\nfirst.\n\nMartin KaFai Lau said that self test for BPF_PROG_TYPE_LWT_SEG6LOCAL\nprobably didn't work since it was introduced in commit 04d4b274e2a\n(\"ipv6: sr: Add seg6local action End.BPF\"). The reason is that the\nper-CPU variable seg6_bpf_srh_states::srh is never assigned in the self\ntest case but each BPF function expects it.\n\nRemove test_run for BPF_PROG_TYPE_LWT_SEG6LOCAL."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: eliminar tst_run de lwt_seg6local_prog_ops. El syzbot inform\u00f3 que las operaciones BPF relacionadas con lwt_seg6 se pueden invocar mediante bpf_test_run() sin ingresar primero input_action_end_bpf(). Martin KaFai Lau dijo que la autoprueba para BPF_PROG_TYPE_LWT_SEG6LOCAL probablemente no funcion\u00f3 ya que se introdujo en el commit 04d4b274e2a (\"ipv6: sr: Agregar acci\u00f3n seg6local End.BPF\"). La raz\u00f3n es que la variable por CPU seg6_bpf_srh_states::srh nunca se asigna en el caso de la autoprueba, pero cada funci\u00f3n BPF lo espera. Eliminar test_run para BPF_PROG_TYPE_LWT_SEG6LOCAL."}], "id": "CVE-2024-46754", "lastModified": "2025-10-08T17:07:45.747", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-09-18T08:15:04.153", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9cd15511de7c619bbd0f54bb3f28e6e720ded5d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c13fda93aca118b8e5cd202e339046728ee7dddb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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