Improper locking in Linux kernel - CVE-2024-26976
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90774
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26976
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2024-26976
Install update from vendor's website.
Sources
- 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