SB2024081989 - Improper locking in Linux kernel net driver
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081989
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-2024-43835)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the virtnet_receive(), virtnet_poll_cleantx(), virtnet_poll() and virtnet_poll_tx() 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/468a729b78895893d0e580ceea49bed8ada2a2bd
- https://git.kernel.org/stable/c/f8321fa75102246d7415a6af441872f6637c93ab
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.109
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.50