#VU104902 Resource management error in Linux kernel - CVE-2022-49687
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104902
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49687
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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