{"id":"CVE-2024-36974","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-36974","generatedAt":"2026-10-28T07:25:25.441Z","title":"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…","description":"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->num_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.","published":"2024-06-18T20:15:13.000Z","lastModified":"2026-10-15T01:18:27.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00284,"percentile":0.20776,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/0bf6cc96612bd396048f57d63f1ad454a846e39c","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6db4af09987cc5d5f0136bd46148b0e0460dae5b","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/724050ae4b76e4fae05a923cb54101d792cf4404","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c37a27a35eadb59286c9092c49c241270c802ae2","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c6041e7124464ce7e896ee3f912897ce88a0c4ec","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d3dde4c217f0c31ab0621912e682b57e677dd923","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f921a58ae20852d188f70842431ce6519c4fdc36","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0bf6cc96612bd396048f57d63f1ad454a846e39c","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/6db4af09987cc5d5f0136bd46148b0e0460dae5b","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/724050ae4b76e4fae05a923cb54101d792cf4404","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/c37a27a35eadb59286c9092c49c241270c802ae2","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/c6041e7124464ce7e896ee3f912897ce88a0c4ec","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/d3dde4c217f0c31ab0621912e682b57e677dd923","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/f921a58ae20852d188f70842431ce6519c4fdc36","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"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-355557.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-36974","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}