SB20240610122 - Use of uninitialized resource in Linux kernel vfio mdev driver
Published: June 10, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240610122
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) Use of uninitialized resource (CVE-ID: CVE-2023-52570)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the parent_create_sysfs_files() function in drivers/vfio/mdev/mdev_sysfs.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/c01b2e0ee22ef8b4dd7509a93aecc0ac0826bae4
- https://git.kernel.org/stable/c/52093779b1830ac184a23848d971f06404cf513e
- https://git.kernel.org/stable/c/c777b11d34e0f47dbbc4b018ef65ad030f2b283a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6