{"id":"CVE-2026-80609","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nqede: fix out-of-bounds check for cqe->len_list[]\n\nMove index check before element access.","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nqede: fix out-of-bounds check for cqe->len_list[]\n\nMove index check before element access.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-20"],"vendor":"Linux","product":"Linux","affected":["Linux >= ecbb12caf399d7cf364b7553ed5aebeaa2f255bc < 6d203bdd227fca1787f8a80cf84b990936633c5a","Linux >= a778912b4a53587ea07d85526d152f85d109cbfe < bd3a6a083b408e96437dbd86ff543ba9ec3a788b","Linux >= f0923011c1261b33a2ac1de349256d39cb750dd0 < e30af53dca803893a29eb3bbe0539752ba435410","Linux >= 917a9d02182ac8b4f25eb47dc02f3ec679608c24 < 1aacefd074b5dcc99b8dbcd73e1c963ed5010110","Linux >= 896f1a2493b59beb2b5ccdf990503dbb16cb2256 < b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd","Linux >= 896f1a2493b59beb2b5ccdf990503dbb16cb2256 < 6d46ab395803f162cdc50e8d346e5f1a4e766771","Linux >= 896f1a2493b59beb2b5ccdf990503dbb16cb2256 < f9ba47fce5932c15891c89c60e76dfaca919cb8d","Linux e441db07f208184e0466abf44b389a81d70c340e","Linux >= 5.15.197 < 5.15.212","Linux >= 6.1.159 < 6.1.178","Linux >= 6.6.118 < 6.6.145","Linux >= 6.12.60 < 6.12.97","Linux >= 6.17.10 < 6.18","Linux 6.18"],"published":"2026-08-28","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:18:03.760","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80609","references":[{"url":"https://git.kernel.org/stable/c/1aacefd074b5dcc99b8dbcd73e1c963ed5010110","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6d203bdd227fca1787f8a80cf84b990936633c5a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6d46ab395803f162cdc50e8d346e5f1a4e766771","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bd3a6a083b408e96437dbd86ff543ba9ec3a788b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e30af53dca803893a29eb3bbe0539752ba435410","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f9ba47fce5932c15891c89c60e76dfaca919cb8d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80609.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80609"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2525485"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80609"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80609"},{"url":"https://kernelcve.org/list/?q=CVE-2026-80609"},{"url":"https://lore.kernel.org/linux-cve-announce/2026082833-CVE-2026-80609-3507@gregkh/T"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00738,"epssPercentile":0.54312,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T19:18:42.466773Z"},"scores":{"nvd":9.8,"vendor":7.5},"ingestedAt":"2026-08-29T23:43:56.079Z","slug":"CVE-2026-80609","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nqede: fix out-of-bounds check for cqe->len_list[]\n\nMove index check before element access.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8 · updated 2026-10-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80609.json)","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}