CVE-2026-53179 staging: rtl8723bs: fix buffer over-read in rtw_update_protection
A buffer over-read in the rtl8723bs Wi-Fi driver allows attackers to cause denial of service or leak kernel memory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-53179?
CVE-2026-53179 is a high-severity memory corruption vulnerability in Linux kernel, published on 25 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix buffer over-read in rtw_update_protection
rtw_update_protection() is called with a pointer offset into the ies buffer but the full ie_length is passed, causing a potential buffer over-read.
Weakness: CWE-125
Which versions are affected by CVE-2026-53179?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-53179?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-53179 being exploited?
There is no known exploitation of CVE-2026-53179 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-90347, BELL-CVE-2026-53179, DEBIAN-CVE-2026-53179, GHSA-jr2w-mc6v-cfpj, ROOT-OS-DEBIAN-12-CVE-2026-53179, ROOT-OS-DEBIAN-13-CVE-2026-53179 and 3 more.