SB20250226378 - NULL pointer dereference in Linux kernel vdpa vdpa_user driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226378
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) NULL pointer dereference (CVE-ID: CVE-2022-49329)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vduse_create_dev() and vduse_init() functions in drivers/vdpa/vdpa_user/vduse_dev.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/30fd1b56621e187346f65d01fe34870634b15188
- https://git.kernel.org/stable/c/3a7a81f4835dfda11f39fdd27586da14331896eb
- https://git.kernel.org/stable/c/b22fdee17ec62604060fb0fda5e1414b634666e1
- https://git.kernel.org/stable/c/b27ee76c74dc831d6e092eaebc2dfc9c0beed1c9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19