{"id":"CVE-2026-74539","title":"Bluetooth: ISO: lock sk in iso_sock_getname","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: lock sk in iso_sock_getname\n\nAccessing iso_pi(sk)->conn requires lock_sock, which is not held here.\n\nFix by adding the lock/release.","severity":"high","cvss":8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33 < 72d5bb1d77d7c3330146dc0cfd43f704c64b9594","Linux >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33 < 202670e6602e068558c1fca2df40719ee91a2906","Linux >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33 < 89cf154d7c18e6e94a3da83051f3cf2bac317ae2","Linux 6.16"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:59:39.142927Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:05:54.465Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74539","references":[{"url":"https://git.kernel.org/stable/c/72d5bb1d77d7c3330146dc0cfd43f704c64b9594"},{"url":"https://git.kernel.org/stable/c/202670e6602e068558c1fca2df40719ee91a2906"},{"url":"https://git.kernel.org/stable/c/89cf154d7c18e6e94a3da83051f3cf2bac317ae2"}],"tags":["cve.org"],"epss":0.00385,"epssPercentile":0.30988,"ingestedAt":"2026-10-16T19:46:24.345Z","slug":"CVE-2026-74539","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: lock sk in iso_sock_getname\n\nAccessing iso_pi(sk)->conn requires lock_sock, which is not held here.\n\nFix by adding the lock/release.\n\n## Affected\n\n- `Linux >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33 < 72d5bb1d77d7c3330146dc0cfd43f704c64b9594`\n- `Linux >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33 < 202670e6602e068558c1fca2df40719ee91a2906`\n- `Linux >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33 < 89cf154d7c18e6e94a3da83051f3cf2bac317ae2`\n- `Linux 6.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":44,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}