SB2024093056 - Improper locking in Linux kernel x86 kvm
Published: September 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024093056
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) Improper locking (CVE-ID: CVE-2024-46830)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the kvm_arch_vcpu_ioctl() function in arch/x86/kvm/x86.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/fa297c33faefe51e10244e8a378837fca4963228
- https://git.kernel.org/stable/c/939375737b5a0b1bf9b1e75129054e11bc9ca65e
- https://git.kernel.org/stable/c/ecdbe8ac86fb5538ccc623a41f88ec96c7168ab9
- https://git.kernel.org/stable/c/4bcdd831d9d01e0fb64faea50732b59b2ee88da1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51