SB20251001164 - Memory leak in Linux kernel net driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001164
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) Memory leak (CVE-ID: CVE-2023-53499)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the virtnet_poll(), virtnet_open() and virtnet_close() functions in drivers/net/virtio_net.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/037768b28e3752c07d63d1c72a651a6775b080bb
- https://git.kernel.org/stable/c/5306623a9826aa7d63b32c6a3803c798a765474d
- https://git.kernel.org/stable/c/6a7690f2bd178eee80f33411ae32e543ae66379c
- https://git.kernel.org/stable/c/73f53bc295727a3cdbd9d6bcdfaa239258970cf4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.30