{"id":"CVE-2026-90352","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: release hif2 reference on probe IRQ failure\n\nThe hif2 reference obtained by mt7915_pci_init_hif2() is only released on\nerror paths that key off dev-…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: release hif2 reference on probe IRQ failure\n\nThe hif2 reference obtained by mt7915_pci_init_hif2() is only released on\nerror paths that key off dev-…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= f68d67623dec9445960b52a0e9e8e60297596b4b < 8a2e38019846da29a112fac4dd96fe5bfa298faf","Linux >= f68d67623dec9445960b52a0e9e8e60297596b4b < 2a434d2637b9c9be9bcc8a84dc46880cc1446643","Linux >= f68d67623dec9445960b52a0e9e8e60297596b4b < 5c30a6350a300fbb800831f1b4373b2f59e03410","Linux >= f68d67623dec9445960b52a0e9e8e60297596b4b < ed5cc46a3c8f4fe7f549c661914d8d835169acc0","Linux >= f68d67623dec9445960b52a0e9e8e60297596b4b < fb9c7b4c238b4e5469a11a1fb8cf332f6193b995","Linux >= f68d67623dec9445960b52a0e9e8e60297596b4b < 8370aebd26a9dfa2e0de665e3ab504c0e97ee730","Linux 5.19"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:34.013","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90352","references":[{"url":"https://git.kernel.org/stable/c/2a434d2637b9c9be9bcc8a84dc46880cc1446643","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5c30a6350a300fbb800831f1b4373b2f59e03410","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8370aebd26a9dfa2e0de665e3ab504c0e97ee730","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8a2e38019846da29a112fac4dd96fe5bfa298faf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ed5cc46a3c8f4fe7f549c661914d8d835169acc0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fb9c7b4c238b4e5469a11a1fb8cf332f6193b995","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90352.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-90352"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536727"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90352"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90352"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90352.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-17T16:21:47.814Z","epss":0.00205,"epssPercentile":0.10458,"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-772"],"slug":"CVE-2026-90352","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: release hif2 reference on probe IRQ failure\n\nThe hif2 reference obtained by mt7915_pci_init_hif2() is only released on\nerror paths that key off dev->hif2, which is not assigned until after the\nIRQ setup. If pci_alloc_irq_vectors() or the primary devm_request_irq()\nfails, the reference leaks. Drop it explicitly on those paths via\nmt7915_put_hif2().\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 · updated 2026-10-05 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90352.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":216354,"id":"CVE-2026-90352","ts":1791274110947,"field":"cvss","old":null,"new":"5.5"},{"seq":216353,"id":"CVE-2026-90352","ts":1791274110947,"field":"severity","old":"none","new":"medium"}]}