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CVE-2024-36974 (GCVE-0-2024-36974)

Vulnerability from cvelistv5 – Published: 2024-06-18 19:15 – Updated: 2026-08-05 11:32
VLAI
Title
net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP
Summary
In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP If one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided, taprio_parse_mqprio_opt() must validate it, or userspace can inject arbitrary data to the kernel, the second time taprio_change() is called. First call (with valid attributes) sets dev->num_tc to a non zero value. Second call (with arbitrary mqprio attributes) returns early from taprio_parse_mqprio_opt() and bad things can happen.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:15 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a3d43c0d56f1b94e74963a2fbadfb70126d92213 , < c6041e7124464ce7e896ee3f912897ce88a0c4ec (git)
Affected: a3d43c0d56f1b94e74963a2fbadfb70126d92213 , < 6db4af09987cc5d5f0136bd46148b0e0460dae5b (git)
Affected: a3d43c0d56f1b94e74963a2fbadfb70126d92213 , < d3dde4c217f0c31ab0621912e682b57e677dd923 (git)
Affected: a3d43c0d56f1b94e74963a2fbadfb70126d92213 , < 0bf6cc96612bd396048f57d63f1ad454a846e39c (git)
Affected: a3d43c0d56f1b94e74963a2fbadfb70126d92213 , < 724050ae4b76e4fae05a923cb54101d792cf4404 (git)
Affected: a3d43c0d56f1b94e74963a2fbadfb70126d92213 , < c37a27a35eadb59286c9092c49c241270c802ae2 (git)
Affected: a3d43c0d56f1b94e74963a2fbadfb70126d92213 , < f921a58ae20852d188f70842431ce6519c4fdc36 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 5.4.279 , ≤ 5.4.* (semver)
Unaffected: 5.10.221 , ≤ 5.10.* (semver)
Unaffected: 5.15.162 , ≤ 5.15.* (semver)
Unaffected: 6.1.95 , ≤ 6.1.* (semver)
Unaffected: 6.6.35 , ≤ 6.6.* (semver)
Unaffected: 6.9.6 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens RUGGEDCOM RST2428P Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
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      "published": "2024-06-18T20:15:13.257",
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis"
    },
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La primera llamada (con atributos v\u00e1lidos) establece dev-\u0026gt;num_tc en un valor distinto de cero. La segunda llamada (con atributos mqprio arbitrarios) regresa temprano desde taprio_parse_mqprio_opt() y pueden suceder cosas malas.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/sched/sch_taprio.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"a3d43c0d56f1b94e74963a2fbadfb70126d92213\",\"lessThan\":\"c6041e7124464ce7e896ee3f912897ce88a0c4ec\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a3d43c0d56f1b94e74963a2fbadfb70126d92213\",\"lessThan\":\"6db4af09987cc5d5f0136bd46148b0e0460dae5b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a3d43c0d56f1b94e74963a2fbadfb70126d92213\",\"lessThan\":\"d3dde4c217f0c31ab0621912e682b57e677dd923\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a3d43c0d56f1b94e74963a2fbadfb70126d92213\",\"lessThan\":\"0bf6cc96612bd396048f57d63f1ad454a846e39c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a3d43c0d56f1b94e74963a2fbadfb70126d92213\",\"lessThan\":\"724050ae4b76e4fae05a923cb54101d792cf4404\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a3d43c0d56f1b94e74963a2fbadfb70126d92213\",\"lessThan\":\"c37a27a35eadb59286c9092c49c241270c802ae2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a3d43c0d56f1b94e74963a2fbadfb70126d92213\",\"lessThan\":\"f921a58ae20852d188f70842431ce6519c4fdc36\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/sched/sch_taprio.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.2\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.2\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.279\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.221\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.162\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.95\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.35\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.9.6\",\"lessThanOrEqual\":\"6.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"RUGGEDCOM 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T18:57:19+00:00",
      "cve": "CVE-2024-36974",
      "id": "CVE-2024-36974",
      "initial_release_date": "2024-06-18T00:00:00+00:00",
      "product_status:fixed": "280",
      "product_status:known_affected": "22",
      "product_status:known_not_affected": "98",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-36974.json",
      "version": "3"
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      "aggregate_severity": "important",
      "current_release_date": "2026-09-03T00:24:01Z",
      "cve": "CVE-2024-36974",
      "id": "CVE-2024-36974",
      "initial_release_date": "2024-06-21T03:06:57Z",
      "product_status:known_affected": "333",
      "product_status:known_not_affected": "143",
      "product_status:recommended": "880",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-36974",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-36974.json",
      "version": "90"
    },
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\"unaffected\", \"version\": \"6.6.35\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/sched/sch_taprio.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/c6041e7124464ce7e896ee3f912897ce88a0c4ec\"}, {\"url\": \"https://git.kernel.org/stable/c/6db4af09987cc5d5f0136bd46148b0e0460dae5b\"}, {\"url\": \"https://git.kernel.org/stable/c/d3dde4c217f0c31ab0621912e682b57e677dd923\"}, {\"url\": \"https://git.kernel.org/stable/c/0bf6cc96612bd396048f57d63f1ad454a846e39c\"}, {\"url\": \"https://git.kernel.org/stable/c/724050ae4b76e4fae05a923cb54101d792cf4404\"}, {\"url\": \"https://git.kernel.org/stable/c/c37a27a35eadb59286c9092c49c241270c802ae2\"}, {\"url\": \"https://git.kernel.org/stable/c/f921a58ae20852d188f70842431ce6519c4fdc36\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP\\n\\nIf one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided,\\ntaprio_parse_mqprio_opt() must validate it, or userspace\\ncan inject arbitrary data to the kernel, the second time\\ntaprio_change() is called.\\n\\nFirst call (with valid attributes) sets dev-\u003enum_tc\\nto a non zero value.\\n\\nSecond call (with arbitrary mqprio attributes)\\nreturns early from taprio_parse_mqprio_opt()\\nand bad things can happen.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.279\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.221\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.162\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.95\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.35\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.6\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"5.2\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:18:12.818Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-36974\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:18:12.818Z\", \"dateReserved\": \"2024-05-30T15:25:07.082Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-18T19:15:07.892Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.