CVE-2024-35996

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A recent commit to turn\nmitigations off by default if SPECULATION_MITIGATIONS=n kinda sorta\nmissed that \"cpu_mitigations\" is completely generic, whereas\nSPECULATION_MITIGATIONS is x86-specific.\n\nRename x86's SPECULATIVE_MITIGATIONS instead of keeping both and have it\nselect CPU_MITIGATIONS, as having two configs for the same thing is\nunnecessary and confusing. This will also allow x86 to use the knob to\nmanage mitigations that aren't strictly related to speculative\nexecution.\n\nUse another Kconfig to communicate to common code that CPU_MITIGATIONS\nis already defined instead of having x86's menu depend on the common\nCPU_MITIGATIONS. This allows keeping a single point of contact for all\nof x86's mitigations, and it's not clear that other architectures *want*\nto allow disabling mitigations at compile-time."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: cpu: vuelva a habilitar las mitigaciones de CPU de forma predeterminada para arquitecturas !X86. Cambie el nombre de x86 a CPU_MITIGATION, def\u00ednalo en c\u00f3digo gen\u00e9rico y fu\u00e9rcelo para todas las arquitecturas con excepci\u00f3n de x86. Una confirmaci\u00f3n reciente para desactivar las mitigaciones de forma predeterminada si SPECULATION_MITIGATION=n pas\u00f3 por alto que \"cpu_mitigations\" es completamente gen\u00e9rico, mientras que SPECULATION_MITIGATIONS es espec\u00edfico de x86. Cambie el nombre de SPECULATIVE_MITIGATION de x86 en lugar de conservar ambos y haga que seleccione CPU_MITIGATION, ya que tener dos configuraciones para lo mismo es innecesario y confuso. Esto tambi\u00e9n permitir\u00e1 que x86 use la perilla para administrar mitigaciones que no est\u00e1n estrictamente relacionadas con la ejecuci\u00f3n especulativa. Utilice otro Kconfig para comunicar al c\u00f3digo com\u00fan que CPU_MITIGACIONES ya est\u00e1 definida en lugar de que el men\u00fa de x86 dependa de CPU_MITIGACIONES comunes. Esto permite mantener un \u00fanico punto de contacto para todas las mitigaciones de x86, y no est\u00e1 claro que otras arquitecturas *quieran* permitir deshabilitar las mitigaciones en tiempo de compilaci\u00f3n."}], "id": "CVE-2024-35996", "lastModified": "2026-10-15T01:18:19.117", "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-2024-35996", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-17T17:38:11.111508Z", "version": "2.0.3"}}]}, "published": "2024-05-20T10:15:13.670", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36b32816fbab267611f073223f1b0b816ec5920f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38f17d1fbb5bfb56ca1419e2d06376d57a9396f9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8292f4f8dd1b005d0688d726261004f816ef730a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af6d6a923b40bf6471e44067ac61cc5814b48e7f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fd8547ebc187037cc69441a15c1441aeaab80f49"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe42754b94a42d08cf9501790afc25c4f6a5f631"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36b32816fbab267611f073223f1b0b816ec5920f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38f17d1fbb5bfb56ca1419e2d06376d57a9396f9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8292f4f8dd1b005d0688d726261004f816ef730a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af6d6a923b40bf6471e44067ac61cc5814b48e7f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fd8547ebc187037cc69441a15c1441aeaab80f49"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe42754b94a42d08cf9501790afc25c4f6a5f631"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: cpu: Re-enable CPU mitigations by default for !X86 architectures", "id": "2281979", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281979"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncpu: Re-enable CPU mitigations by default for !X86 architectures\nRename x86's to CPU_MITIGATIONS, define it in generic code, and force it\non for all architectures exception x86. A recent commit to turn\nmitigations off by default if SPECULATION_MITIGATIONS=n kinda sorta\nmissed that \"cpu_mitigations\" is completely generic, whereas\nSPECULATION_MITIGATIONS is x86-specific.\nRename x86's SPECULATIVE_MITIGATIONS instead of keeping both and have it\nselect CPU_MITIGATIONS, as having two configs for the same thing is\nunnecessary and confusing. This will also allow x86 to use the knob to\nmanage mitigations that aren't strictly related to speculative\nexecution.\nUse another Kconfig to communicate to common code that CPU_MITIGATIONS\nis already defined instead of having x86's menu depend on the common\nCPU_MITIGATIONS. This allows keeping a single point of contact for all\nof x86's mitigations, and it's not clear that other architectures *want*\nto allow disabling mitigations at compile-time."], "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-2024-35996", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "2024-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35996\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35996\nhttps://lore.kernel.org/linux-cve-announce/2024052022-CVE-2024-35996-3f86@gregkh/T"], "statement": "Following issue marked as moderate with \"not affected or will not fix\" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions.", "threat_severity": "Moderate"}

{"created": "2025-07-12T22:16:15.569112+00:00", "updated": "2025-07-12T22:16:15.569164+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}