CVE-2026-93063
kernel: wifi: iwlwifi: mei: check SAP message length before reading it
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's iwlwifi component. This vulnerability allows an attacker to cause a buffer overflow by sending a specially crafted Service Advertisement Protocol (SAP) message that exceeds the allocated buffer size. This could lead to memory corruption, potentially causing the system to crash or become unresponsive (Denial of Service).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')