SB20250509144 - Incorrect calculation in Linux kernel 9p
Published: May 9, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250509144
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) Incorrect calculation (CVE-ID: CVE-2025-37879)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the p9_client_read_once(), p9_client_write(), EXPORT_SYMBOL_GPL() and p9_client_readdir() functions in net/9p/client.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/374e4cd75617c8c2552f562f39dd989583f5c330
- https://git.kernel.org/stable/c/468ff4a7c61fb811c596a7c44b6a5455e40fd12b
- https://git.kernel.org/stable/c/a68768e280b7d0c967ea509e791bb9b90adc94a5
- https://git.kernel.org/stable/c/c548f95688e2b5ae0e2ae43d53cf717156c7d034
- https://git.kernel.org/stable/c/d0259a856afca31d699b706ed5e2adf11086c73b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.136
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.89