#VU94324 Input validation error in Linux kernel - CVE-2024-40989
Published: July 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94324
Vulnerability risk: 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-2024-40989
CWE-ID: CWE-20
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 input validation within the vgic_v3_free_redist_region() and vgic_v3_set_redist_base() functions in arch/arm64/kvm/vgic/vgic-mmio-v3.c, within the kvm_vgic_dist_destroy() function in arch/arm64/kvm/vgic/vgic-init.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/68df4fc449fcc24347209e500ce26d5816705a77
- https://git.kernel.org/stable/c/48bb62859d47c5c4197a8c01128d0fa4f46ee58c
- https://git.kernel.org/stable/c/152b4123f21e6aff31cea01158176ad96a999c76
- https://git.kernel.org/stable/c/0d92e4a7ffd5c42b9fa864692f82476c0bf8bcc8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.36