SB2024071336 - Out-of-bounds read in Linux kernel kvm
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071336
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) Out-of-bounds read (CVE-ID: CVE-2024-40953)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the kvm_vcpu_on_spin() function in virt/kvm/kvm_main.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/92c77807d938145c7c3350c944ef9f39d7f6017c
- https://git.kernel.org/stable/c/a937ef951bba72f48d2402451419d725d70dba20
- https://git.kernel.org/stable/c/95c8dd79f3a14df96b3820b35b8399bd91b2be60
- https://git.kernel.org/stable/c/49f683b41f28918df3e51ddc0d928cb2e934ccdb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- 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