SB20250226272 - Use-after-free in Linux kernel staging mt7621-pinctrl driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226272
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-49608)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rt2880_pinmux_pins() function in drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/13596e6c9e541e90e5fc2c52b23f08b951370da9
- https://git.kernel.org/stable/c/44016a85419ca0d4f1e4d0127b330f8e4e2a57d0
- https://git.kernel.org/stable/c/5595d30c4dc27d939635c3188c68203b6ece1711
- https://git.kernel.org/stable/c/5694b162f275fb9a9f89422701b2b963be11e496
- https://git.kernel.org/stable/c/6194c021496addc11763d1ffa89ce5751889fe3c
- https://git.kernel.org/stable/c/c3b821e8e406d5650e587b7ac624ac24e9b780a8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.254
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.58
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.208