SB2025011202 - Red Hat Enterprise Linux 9 update for kernel-rt
Published: January 12, 2025
Security Bulletin ID
SB2025011202
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.