CVE-2026-31779
High
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix potential out-of-bounds read in iwl_mvm_nd_match_info_handler() The memcpy function assumes the dynamic array notif->matches is at least as large as the number of bytes to copy. Otherwise, results->matches may contain unwanted data. To guarantee safety, extend the validation in one of the checks to ensure sufficient packet length. Found by Linux Verification Center (linuxtesting.org) with SVACE.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Linux Kernel
PublishedMay 1, 2026
First seenMay 1, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- linux linux_kernel6.1.168, 6.6.134, 6.12.81, 6.18.22, 6.19.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.1 ≤ v < 6.1.168, 6.2 ≤ v < 6.6.134, 6.7 ≤ v < 6.12.81, 6.13 ≤ v < 6.18.22, 6.19 ≤ v < 6.19.12, 7.0 | 6.1.168, 6.6.134, 6.12.81, 6.18.22, 6.19.12 |
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