SB2024041932 - Information disclosure in Linux kernel veth driver
Published: April 19, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024041932
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-47099)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a missing security check within the veth_xdp_rcv() function in drivers/net/veth.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.