#VU124521 Out-of-bounds write in Linux kernel - CVE-2026-23325
Published: March 25, 2026
Vulnerability identifier: #VU124521
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-23325
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the mt7996_mac_write_txwi_80211 function when handling Wi-Fi management frames. A remote attacker can send a specially crafted 802.11 frame with a short length to trigger an out-of-bounds write access and crash the system.
Exploitation does not require authentication or user interaction.
Remediation
Install security update from vendor's repository.
External links
- https://git.kernel.org/stable/c/45661d22639c4b747ef1bd0822b8e76e421a808a
- https://git.kernel.org/stable/c/60862846308627e9e15546bb647a00de44deb27b
- https://git.kernel.org/stable/c/a6605f61913155e130bfd04d438c3ce1a572fb0f
- https://git.kernel.org/stable/c/ca1adc04fc2cb1d9f1842e429debe6a520d54966
- https://git.kernel.org/stable/c/f4cdf6b43689e901a341e7147fcfb25057c38eae