CVE-2024-35996 (GCVE-0-2024-35996)

Vulnerability from cvelistv5 – Published: 2024-05-20 09:47 – Updated: 2025-05-04 09:10
VLAI?
Title
cpu: Re-enable CPU mitigations by default for !X86 architectures
Summary
In the Linux kernel, the following vulnerability has been resolved: cpu: Re-enable CPU mitigations by default for !X86 architectures Rename x86's to CPU_MITIGATIONS, define it in generic code, and force it on for all architectures exception x86. A recent commit to turn mitigations off by default if SPECULATION_MITIGATIONS=n kinda sorta missed that "cpu_mitigations" is completely generic, whereas SPECULATION_MITIGATIONS is x86-specific. Rename x86's SPECULATIVE_MITIGATIONS instead of keeping both and have it select CPU_MITIGATIONS, as having two configs for the same thing is unnecessary and confusing. This will also allow x86 to use the knob to manage mitigations that aren't strictly related to speculative execution. Use another Kconfig to communicate to common code that CPU_MITIGATIONS is already defined instead of having x86's menu depend on the common CPU_MITIGATIONS. This allows keeping a single point of contact for all of x86's mitigations, and it's not clear that other architectures *want* to allow disabling mitigations at compile-time.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 30da4180fd768973189dc364648f9c436e57b01d , < af6d6a923b40bf6471e44067ac61cc5814b48e7f (git)
Affected: 70688450dddaf91e12fd4fc625da3297025932c9 , < 36b32816fbab267611f073223f1b0b816ec5920f (git)
Affected: 9c09773917fbb77dff85b433e1e89123fc5fb530 , < 38f17d1fbb5bfb56ca1419e2d06376d57a9396f9 (git)
Affected: 2978ee7c973ce81b6e51100ba1e5ae001af624b9 , < 8292f4f8dd1b005d0688d726261004f816ef730a (git)
Affected: c4a9babdd5d5a41a74269a2e1aa1647b1b4c45bb , < fd8547ebc187037cc69441a15c1441aeaab80f49 (git)
Affected: f337a6a21e2fd67eadea471e93d05dd37baaa9be , < fe42754b94a42d08cf9501790afc25c4f6a5f631 (git)
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    Linux Linux Affected: 5.15.156 , < 5.15.158 (semver)
Affected: 6.1.87 , < 6.1.90 (semver)
Affected: 6.6.28 , < 6.6.30 (semver)
Affected: 6.8.7 , < 6.8.9 (semver)
Create a notification for this product.
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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.\"}],\"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\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.156\",\"versionEndExcluding\":\"5.15.158\",\"matchCriteriaId\":\"21FA304C-380A-438A-B733-D20C6EBA394D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.87\",\"versionEndExcluding\":\"6.1.90\",\"matchCriteriaId\":\"D90BF664-4640-44A4-BF67-7A31062CD11F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.28\",\"versionEndExcluding\":\"6.6.30\",\"matchCriteriaId\":\"5CA8832E-D841-442C-9967-3661D9C65D66\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8.7\",\"versionEndExcluding\":\"6.8.9\",\"matchCriteriaId\":\"C8387EC1-D916-4DAD-9540-806FFC120E90\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"A06B2CCF-3F43-4FA9-8773-C83C3F5764B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"F850DCEC-E08B-4317-A33B-D2DCF39F601B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}],\"references\":[{\"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\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"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\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"Mailing List\"]}]}}",
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      "cveMetadata": "{\"cveId\": \"CVE-2024-35996\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:10:10.368Z\", \"dateReserved\": \"2024-05-17T13:50:33.148Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-20T09:47:59.713Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.