CVE-2026-99100
kernel: wifi: p54: validate firmware record lengths
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 28, 2026
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's p54 wireless driver. This vulnerability can lead to a denial of service (DoS) or kernel information disclosure. The issue occurs because the firmware parser does not properly validate record lengths before reading component data. A local user capable of loading a crafted firmware file could trigger an out-of-bounds read, causing a system crash or leaking kernel memory.
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 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read