SB2024073142 - NULL pointer dereference in Linux kernel mellanox mlxsw driver
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073142
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) NULL pointer dereference (CVE-ID: CVE-2024-42138)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vfree() function in drivers/net/ethernet/mellanox/mlxsw/core_linecards.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/ab557f5cd993a3201b09593633d04b891263d5c0
- https://git.kernel.org/stable/c/f8b55a465b0e8a500179808166fe9420f5c091a1
- https://git.kernel.org/stable/c/9af7437669b72f804fc4269f487528dbbed142a2
- https://git.kernel.org/stable/c/8ce34dccbe8fa7d2ef86f2d8e7db2a9b67cabfc3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39