{"id":"CVE-2026-80990","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-80990","generatedAt":"2026-10-27T23:10:19.077Z","title":"In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tb_xdomain_alloc_in_hopid() passes the wanted HopID to ida_alloc_range() as the lower bound, so a taken id is not…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: thunderbolt: Release the Rx HopID that was handed out on mismatch\n\ntb_xdomain_alloc_in_hopid() passes the wanted HopID to ida_alloc_range()\nas the lower bound, so a taken id is not an error there: the allocator\nreturns the next free one above it. tbnet_connected_work() asks for the\npeer's transmit path, treats any other id as a failure and returns\nwithout releasing what it got, so that allocation stays live for the rest\nof the XDomain connection with nothing left holding a reference to it.\n\nRelease the id when it is not the one we asked for, the same way the\nerror unwind at the end of the function releases the expected one.","published":"2026-09-11T20:19:06.000Z","lastModified":"2026-10-19T09:17:32.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":null,"cwe":[],"affected":[],"epss":{"score":0.00206,"percentile":0.10463,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"unknown","text":"Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/1c361f6cf39be7cc0ce37c0b67bd1cdf74b0a0c1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2f1463554d0561a2fead81e3888604e5c1125e29","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/47981eb66461ba4e74bbaea0f139adaaeb3991e9","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/61ff3c353e5d2ff4eb9d0b6d8d9e47805b136eea","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9eac1817bfc5fa76e3a2d1b8fd824cc6ef5a9ab0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80990","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."}