CVE-2025-37963

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has been resolved:\n\narm64: bpf: Only mitigate cBPF programs loaded by unprivileged users\n\nSupport for eBPF programs loaded by unprivileged users is typically\ndisabled. This means only cBPF programs need to be mitigated for BHB.\n\nIn addition, only mitigate cBPF programs that were loaded by an\nunprivileged user. Privileged users can also load the same program\nvia eBPF, making the mitigation pointless."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: arm64: bpf: Mitigar solo programas cBPF cargados por usuarios sin privilegios. La compatibilidad con programas eBPF cargados por usuarios sin privilegios suele estar deshabilitada. Esto significa que solo es necesario mitigar los programas cBPF para BHB. Adem\u00e1s, solo se deben mitigar los programas cBPF cargados por un usuario sin privilegios. Los usuarios con privilegios tambi\u00e9n pueden cargar el mismo programa mediante eBPF, lo que hace que la mitigaci\u00f3n sea in\u00fatil."}], "id": "CVE-2025-37963", "lastModified": "2026-11-05T21:18:00.000", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-37963", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:46:27.086546Z", "version": "2.0.3"}}]}, "published": "2025-05-20T16:15:34.580", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/038866e01ea5e5a3d948898ac216e531e7848669"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/477481c4348268136227348984b6699d6370b685"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e52d043f7dbf1839a24a3fab2b12b0d3839de7a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/80251f62028f1ab2e09be5ca3123f84e8b00389a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/df53d418709205450a02bb4d71cbfb4ff86f2c1e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e5f5100f1c64ac6c72671b2cf6b46542fce93706"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f300769ead032513a68e4a02e806393402e626f8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: arm64: bpf: Only mitigate cBPF programs loaded by unprivileged users", "id": "2367586", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367586"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\narm64: bpf: Only mitigate cBPF programs loaded by unprivileged users\nSupport for eBPF programs loaded by unprivileged users is typically\ndisabled. This means only cBPF programs need to be mitigated for BHB.\nIn addition, only mitigate cBPF programs that were loaded by an\nunprivileged user. Privileged users can also load the same program\nvia eBPF, making the mitigation pointless."], "name": "CVE-2025-37963", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37963\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37963\nhttps://lore.kernel.org/linux-cve-announce/2025052005-CVE-2025-37963-60f2@gregkh/T"], "statement": "The security impact is limited, because applies only to ARM64 cBPF JIT behavior under privileged context.", "threat_severity": "Moderate"}

{"created": "2025-06-24T09:44:23.495760+00:00", "updated": "2025-06-24T09:44:23.495814+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}