SB20250117126 - Buffer overflow in Linux kernel net driver
Published: January 17, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250117126
CSH 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 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2024-57843)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the virtnet_rq_alloc(), add_recvbuf_small() and add_recvbuf_mergeable() functions in drivers/net/virtio_net.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.