SB20260812346 - Out-of-bounds read in Linux kernel rtl8723bs core driver
Published: August 12, 2026
Security Bulletin ID
SB20260812346
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-68190)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds read in the rtw_get_wps_ie() function when parsing IE data from network frames. A remote attacker can send a specially crafted network frame to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0e95ff792ae0aa6fbad9455943e9e1e4062670e9
- https://git.kernel.org/stable/c/23c31f107b4f8f420a754a45d12599bdb78f9bb8
- https://git.kernel.org/stable/c/630fdca3f2437fee3ffd437c4b646ccf84c7be87
- https://git.kernel.org/stable/c/875479f18835ac11e21a83e88f3d4dc7ccdcd0c4
- https://git.kernel.org/stable/c/b9d9a4cd2e59df7281992a076464d2536e80c674