SB2025040228 - Memory leak in Linux kernel virt acrn driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040228
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-2025-21950)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the pmcmd_ioctl() function in drivers/virt/acrn/hsm.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/1b8f7a2caa7f9cdfd135e3f78eb9d7e36fb95083
- https://git.kernel.org/stable/c/4e15cf870d2c748e45d45ffc4d5b1dc1b7d50120
- https://git.kernel.org/stable/c/524f29d78c9bdeb49f31f5b0376a07d2fc5cf563
- https://git.kernel.org/stable/c/819cec1dc47cdeac8f5dd6ba81c1dbee2a68c3bb
- https://git.kernel.org/stable/c/a4c21b878f0e237f45209a324c903ea7fb05247d
- https://git.kernel.org/stable/c/d7e5031fe3f161c8eb5e84db1540bc4373ed861b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.83