CVE-2025-68254
kernel: Linux kernel: Denial of Service due to out-of-bounds read in rtl8723bs driver
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 16, 2025
Updated · August 14, 2026
Description
A flaw was found in the Linux kernel's rtl8723bs driver. A remote attacker could send a malformed beacon frame with an Extended Supported Rates (ESR) Information Element (IE) positioned at the end of the buffer. This could lead to an out-of-bounds read, potentially causing a kernel panic and resulting in 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 · 7.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CWE-125 · Out-of-bounds Read