Out-of-bounds read in Linux kernel - CVE-2026-90350
Published: September 18, 2026
Vulnerability identifier: #VU151138
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90350
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform an out-of-bounds read.
The vulnerability exists due to an out-of-bounds read in mt76_vif_link() when processing an out-of-range link ID. A local user can cause processing of an out-of-range link ID to perform an out-of-bounds read.
The issue occurs before the first link has been added, when the default link ID is IEEE80211_LINK_UNSPECIFIED (0xf).
Affected software
Linux kernel
How to mitigate CVE-2026-90350
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3