SB20250916146 - Out-of-bounds read in Linux kernel rtlwifi rtl8821ae driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916146
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 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2022-50279)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the _rtl8812ae_get_integer_from_string() and _rtl8812ae_phy_set_txpower_limit() functions in drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.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/057b52461dc005ecd85a3e4998913b1492ec0f72
- https://git.kernel.org/stable/c/0c962dcd6bf64b78eaffc09e497a2beb4e48bc32
- https://git.kernel.org/stable/c/117dbeda22ec5ea0918254d03b540ef8b8a64d53
- https://git.kernel.org/stable/c/1e950b9a841bc96e98ee25680d5c7aa305120be1
- https://git.kernel.org/stable/c/28ea268d95e57cdf6394a058f0d854206d478772
- https://git.kernel.org/stable/c/f1fe40120de6ad4ffa8299fde035a5feba10d4fb
- https://git.kernel.org/stable/c/fc3442247716fc426bbcf62ed65e086e48a6d44f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276