SB2024082243 - Double free in Linux kernel net driver
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082243
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) Double free (CVE-ID: CVE-2022-48900)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the xennet_get_responses(), xennet_poll() and setup_netfront() functions in drivers/net/xen-netfront.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/c4497b057b14274e159434f0ed70439a21f3d2a9
- https://git.kernel.org/stable/c/1b9f4115738af90427a8c94a3980bc52fbb23296
- https://git.kernel.org/stable/c/c307029d811e03546d18d0e512fe295b3103b8e5
- https://git.kernel.org/stable/c/0e35f3ab69bcb01fdbf5aadc78f1731778963b1c
- https://git.kernel.org/stable/c/206c8e271ba2630f1d809123945d9c428f93b0f0
- https://git.kernel.org/stable/c/dea18aef2021022a568f4d385a1386f51a9df6ff
- https://git.kernel.org/stable/c/34630641e955f23ae06db178822d99d0a9d89b20
- https://git.kernel.org/stable/c/66e3531b33ee51dad17c463b4d9c9f52e341503d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.271
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.234
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.306
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.105
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.28
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.184