SB20251001145 - Buffer overflow in Linux kernel rtl8723bs os_dep driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001145
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-50469)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the rtw_reset_drv_sw() and rtw_init_drv_sw() functions in drivers/staging/rtl8723bs/os_dep/os_intfs.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/5a5aa9cce621e2c0e25a1e5d72d6be1749167cc0
- https://git.kernel.org/stable/c/6b2052b365f8035ab7f09ac24b5b499002b298cb
- https://git.kernel.org/stable/c/b4573a2bad3c3e2643ef3939079eb7035a30e6ee
- https://git.kernel.org/stable/c/d95d1526d9f06978c1a7186810a5490d72c62742
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3