SB20240713124 - Input validation error in Linux kernel kvm vgic
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240713124
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) Input validation error (CVE-ID: CVE-2024-40989)
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.
References
- 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