SB20240608162 - Improper locking in Linux kernel tty serial driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608162
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) Improper locking (CVE-ID: CVE-2024-27000)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mxs_auart_set_ldisc() and mxs_auart_irq_handle() functions in drivers/tty/serial/mxs-auart.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/2c9b943e9924cf1269e44289bc5e60e51b0f5270
- https://git.kernel.org/stable/c/5f40fd6ca2cf0bfbc5a5c9e403dfce8ca899ba37
- https://git.kernel.org/stable/c/94b0e65c75f4af888ab2dd6c90f060f762924e86
- https://git.kernel.org/stable/c/54c4ec5f8c471b7c1137a1f769648549c423c026
- https://git.kernel.org/stable/c/56434e295bd446142025913bfdf1587f5e1970ad
- https://git.kernel.org/stable/c/21535ef0ac1945080198fe3e4347ea498205c99a
- https://git.kernel.org/stable/c/0dc0637e6b16158af85945425821bfd0151adb37
- https://git.kernel.org/stable/c/479244d68f5d94f3903eced52b093c1e01ddb495
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.158