{"id":"CVE-2026-90370","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config\n\nThe response TLV loop advanced by tlv->len without a minimum, so a\ntheoretical firmware response conta…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config\n\nThe response TLV loop advanced by tlv->len without a minimum, so a\ntheoretical firmware response conta…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 5d33053be609abfcfa9f5ca75d5554f2109aa40b < 3106f62809d45c1e6aadfad1f4d7c3f74cd53a96","Linux >= 5d33053be609abfcfa9f5ca75d5554f2109aa40b < 39aa6b853b6d69dd1fee3507efdb3c277b7c53e6","Linux >= 5d33053be609abfcfa9f5ca75d5554f2109aa40b < d0bb2189ade617e624f3c8f444ebb05f59bb2524","Linux >= 5d33053be609abfcfa9f5ca75d5554f2109aa40b < 93eaddfdd35aa6bfe570c087db4e97fb9d8a791a","Linux >= 5d33053be609abfcfa9f5ca75d5554f2109aa40b < 44af52467e72094351a362bf69effd52f1d9c186","Linux 6.3"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:36.147","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90370","references":[{"url":"https://git.kernel.org/stable/c/3106f62809d45c1e6aadfad1f4d7c3f74cd53a96","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/39aa6b853b6d69dd1fee3507efdb3c277b7c53e6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/44af52467e72094351a362bf69effd52f1d9c186","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/93eaddfdd35aa6bfe570c087db4e97fb9d8a791a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d0bb2189ade617e624f3c8f444ebb05f59bb2524","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90370.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-90370"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536812"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90370"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90370"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90370.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-17T16:21:47.809Z","epss":0.002,"epssPercentile":0.09728,"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-835"],"slug":"CVE-2026-90370","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config\n\nThe response TLV loop advanced by tlv->len without a minimum, so a\ntheoretical firmware response containing a zero-length TLV could spin\nforever, hanging the CPU during device probe.\nThe u32 payload was also read without bounds checking.\nReject a short fixed field, stop on a TLV whose length underruns the\nheader or overruns the skb.\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 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90370.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225629,"id":"CVE-2026-90370","ts":1792498324920,"field":"cvss","old":null,"new":"5.5"},{"seq":225628,"id":"CVE-2026-90370","ts":1792498324920,"field":"severity","old":"none","new":"medium"}]}