SB2024060560 - Buffer overflow in Linux kernel include asm
Published: June 5, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060560
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-47110)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the kvm_crash_shutdown() and kvmclock_init() functions in arch/x86/kernel/kvmclock.c, within the kvm_guest_cpu_offline() function in arch/x86/kernel/kvm.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9084fe1b3572664ad276f427dce575f580c9799a
- https://git.kernel.org/stable/c/3b0becf8b1ecf642a9edaf4c9628ffc641e490d6
- https://git.kernel.org/stable/c/1df2dc09926f61319116c80ee85701df33577d70
- https://git.kernel.org/stable/c/c02027b5742b5aa804ef08a4a9db433295533046
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.43
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.125