SB20240608178 - Race condition in Linux kernel tty driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608178
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) Race condition (CVE-ID: CVE-2023-52872)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the gsm_modem_upd_via_msc() function in drivers/tty/n_gsm.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/81a4dd5e6c78f5d8952fa8c9d36565db1fe01444
- https://git.kernel.org/stable/c/df6cfab66ff2a44bd23ad5dd5309cb3421bb6593
- https://git.kernel.org/stable/c/19d34b73234af542cc8a218cf398dee73cdb1890
- https://git.kernel.org/stable/c/ce4df90333c4fe65acb8b5089fdfe9b955ce976a
- https://git.kernel.org/stable/c/3a75b205de43365f80a33b98ec9289785da56243
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.138
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.62
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7