Memory leak in Linux kernel - CVE-2026-43225
Published: May 7, 2026
Vulnerability identifier: #VU130506
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-43225
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in the rtl8723bs staging driver when handling a failure return from cfg80211_inform_bss_frame(). A local user can trigger the affected code path to cause a denial of service.
Remediation
Install security update from vendor's repository.
External links
- https://git.kernel.org/stable/c/017295b17bf1f477246c95bd253a7ef0cb4684c9
- https://git.kernel.org/stable/c/8311bb40698ba027649d5d1ca84ad4bf25270546
- https://git.kernel.org/stable/c/9874e33ce52ba449ab0ade78752a2d37a2294617
- https://git.kernel.org/stable/c/9f70f78e22b321429afc77befecedf05543d4e2c
- https://git.kernel.org/stable/c/a968c6a39607c129b8ac2c3c2a5e8923574e90d0
- https://git.kernel.org/stable/c/abe850d82c8cb72d28700673678724e779b1826e
- https://git.kernel.org/stable/c/af48c1a0abe849e167fc754b6c260b6d8350b6fd