SB20240608186 - Race condition in Linux kernel s390 cio driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608186
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-2024-27009)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the ccw_device_set_online() function in drivers/s390/cio/device.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3076b3c38a704e10df5e143c213653309d532538
- https://git.kernel.org/stable/c/559f3a6333397ab6cd4a696edd65a70b6be62c6e
- https://git.kernel.org/stable/c/2df56f4ea769ff81e51bbb05699989603bde9c49
- https://git.kernel.org/stable/c/a4234decd0fe429832ca81c4637be7248b88b49e
- https://git.kernel.org/stable/c/2d8527f2f911fab84aec04df4788c0c23af3df48
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.157
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.29