SB2025090889 - Buffer overflow in Linux kernel kvm intc
Published: September 8, 2025
Security Bulletin ID
SB2025090889
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-2025-39704)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the write_mailbox() and send_ipi_data() functions in arch/loongarch/kvm/intc/ipi.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.