SB2022052516 - Privilege escalation in DPDK
Published: May 25, 2022
Security Bulletin ID
SB2022052516
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) Out-of-bounds write (CVE-ID: CVE-2021-3839)
The vulnerability allows a local user to execute arbitrary code with elevated privileges.
The vulnerability exists due to vhost_user_set_inflight_fd() function does not validate msg->payload.inflight.num_queues. A local user can trigger out-of-bounds write and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.