Out-of-bounds read in Linux kernel - CVE-2026-93803

 

Out-of-bounds read in Linux kernel - CVE-2026-93803

Published: September 25, 2026


Vulnerability identifier: #VU152085
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93803
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to read out-of-bounds memory.

The vulnerability exists due to an out-of-bounds read in libipw_rx() when processing crafted Wi-Fi frames. A remote attacker can send a specially crafted Wi-Fi frame to read out-of-bounds memory.


Affected software

Linux kernel

How to mitigate CVE-2026-93803

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins