CVE-2026-98407
kernel: wifi: rsi: fix heap OOB write on key removal
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 14, 2026
Updated · October 16, 2026
Description
A flaw was found in the Linux kernel's Redpine Signals Inc. (rsi) wireless driver. An incorrect memory offset calculation during encryption key removal causes data to be written past the allocated buffer, corrupting kernel heap memory. This issue is triggered during routine wireless events such as disconnecting, roaming, or interface teardown, which can lead to system instability and a Denial of Service (DoS).
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-787 · Out-of-bounds Write