SB20250226737 - Resource management error in Linux kernel net driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226737
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) Resource management error (CVE-ID: CVE-2022-49687)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the virtnet_freeze_down(), init_vqs() and virtnet_restore_up() functions in drivers/net/virtio_net.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/340fbdc8011f2dc678f622c5ce1cbb5ab8305de7
- https://git.kernel.org/stable/c/57ee40f1b198b59d43c216fbc4672f9300d3c8b0
- https://git.kernel.org/stable/c/8af52fe9fd3bf5e7478da99193c0632276e1dfce
- https://git.kernel.org/stable/c/8c7a32b7c15555beddc5810c3334d9cefff061bf
- https://git.kernel.org/stable/c/8d7fe9ad6fddc2af8bde4b921b4f8fab231ed38c
- https://git.kernel.org/stable/c/9222672fa6370f0ec3d899662cb8680e9282fc4c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.250