Improper locking in Linux kernel - CVE-2024-26691
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91532
CSH Severity: Low
CVSSv4.0: 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-2024-26691
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the kvm_hyp_reserve(), __pkvm_create_hyp_vm() and pkvm_create_hyp_vm() functions in arch/arm64/kvm/pkvm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/3d16cebf01127f459dcfeb79ed77bd68b124c228
- https://git.kernel.org/stable/c/3ab1c40a1e915e350d9181a4603af393141970cc
- https://git.kernel.org/stable/c/10c02aad111df02088d1a81792a709f6a7eca6cc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8