{"id":"CVE-2026-98191","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wlcore: release runtime PM ref on regdomain config failure\n\nwlcore_regdomain_config() gets a runtime PM reference before sending\nthe regulatory-domain command","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wlcore: release runtime PM ref on regdomain config failure\n\nwlcore_regdomain_config() gets a runtime PM reference before sending\nthe regulatory-domain command. Wh…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < 85ec6c451fe681ac3135dfa43a519f1404ae63ad","Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < 3fbaae01bb7847d8b0124a8bbdb3af865e388d53","Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < c02352e2b5a241c8da89b5f5f1a0ae4d403120ed","Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < 05b5e297bbf46f92c80da4c2ebe67828ca0d0247","Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < 18eb148105f1af9163f5e9758f0a7bc6ab042423","Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < 7f1f25b2db14683ab75d0d22c00d6a75ba988b83","Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < a6bb6ad517a0d4db33a0cac9448e3ae9f4008fb4","Linux >= fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8 < 8a1f3cf89ddcc700e25afe42cfad333059adcc94","Linux 4.19"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:04.377","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98191","references":[{"url":"https://git.kernel.org/stable/c/05b5e297bbf46f92c80da4c2ebe67828ca0d0247","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/18eb148105f1af9163f5e9758f0a7bc6ab042423","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3fbaae01bb7847d8b0124a8bbdb3af865e388d53","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7f1f25b2db14683ab75d0d22c00d6a75ba988b83","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/85ec6c451fe681ac3135dfa43a519f1404ae63ad","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8a1f3cf89ddcc700e25afe42cfad333059adcc94","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a6bb6ad517a0d4db33a0cac9448e3ae9f4008fb4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c02352e2b5a241c8da89b5f5f1a0ae4d403120ed","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98191.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98191"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546420"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98191"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98191"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98191.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T08:50:17.448Z","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-911"],"epss":0.00177,"epssPercentile":0.0718,"slug":"CVE-2026-98191","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wlcore: release runtime PM ref on regdomain config failure\n\nwlcore_regdomain_config() gets a runtime PM reference before sending\nthe regulatory-domain command. When\nwlcore_cmd_regdomain_config_locked() fails, the function queues recovery\nand returns without dropping that reference.\n\nRelease the reference after handling the command result so both success\nand failure paths balance the preceding\npm_runtime_resume_and_get(). The recovery worker takes a separate\nruntime PM reference and cannot release the reference held here.\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** · Low · updated 2026-10-08 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98191.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":218462,"id":"CVE-2026-98191","ts":1791533888332,"field":"cvss","old":null,"new":"5.5"},{"seq":218461,"id":"CVE-2026-98191","ts":1791533888332,"field":"severity","old":"none","new":"medium"}]}