SB20250327137 - Improper locking in Linux kernel misc vmw_vmci driver
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250327137
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) Improper locking (CVE-ID: CVE-2022-49759)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the vmci_check_host_caps(), vmci_dispatch_dgs(), vmci_interrupt(), vmci_interrupt_bm(), vmci_guest_probe_device(), free_irq() and vmci_guest_remove_device() functions in drivers/misc/vmw_vmci/vmci_guest.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.