SB2024060374 - Improper locking in Linux kernel kvm
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060374
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-2024-26976)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the async_pf_execute(), kvm_clear_async_pf_completion_queue(), kvm_check_async_pf_completion() and kvm_setup_async_pf() functions in virt/kvm/async_pf.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/ab2c2f5d9576112ad22cfd3798071cb74693b1f5
- https://git.kernel.org/stable/c/82e25cc1c2e93c3023da98be282322fc08b61ffb
- https://git.kernel.org/stable/c/f8730d6335e5f43d09151fca1f0f41922209a264
- https://git.kernel.org/stable/c/83d3c5e309611ef593e2fcb78444fc8ceedf9bac
- https://git.kernel.org/stable/c/b54478d20375874aeee257744dedfd3e413432ff
- https://git.kernel.org/stable/c/a75afe480d4349c524d9c659b1a5a544dbc39a98
- https://git.kernel.org/stable/c/4f3a3bce428fb439c66a578adc447afce7b4a750
- https://git.kernel.org/stable/c/caa9af2e27c275e089d702cfbaaece3b42bca31b
- https://git.kernel.org/stable/c/3d75b8aa5c29058a512db29da7cbee8052724157
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.312
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.154
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.274
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3