SB20251226107 - Memory leak in Linux kernel vdpa vdpa_sim driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226107
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) Memory leak (CVE-ID: CVE-2022-50702)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the vdpasim_net_init() function in drivers/vdpa/vdpa_sim/vdpa_sim_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/337c24d817e28dd454ca22f1063dfad20822426e
- https://git.kernel.org/stable/c/586e6fd7d581f987f7d0d2592edf0b26397e783e
- https://git.kernel.org/stable/c/5be953e353fe421f2983e1fd37f07fba97edbffc
- https://git.kernel.org/stable/c/aeca7ff254843d49a8739f07f7dab1341450111d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.87
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2