SB20250226679 - Race condition within a thread in Linux kernel mellanox mlxsw driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226679
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition within a thread (CVE-ID: CVE-2022-49576)
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the fib_multipath_custom_hash_outer(), fib_multipath_custom_hash_inner() and fib_multipath_custom_hash_skb() functions in net/ipv4/route.c, within the mlxsw_sp_mp4_hash_init() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c. A local user can corrupt data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/36f5b86f309b3b11295d087cd7433f1c897caf94
- https://git.kernel.org/stable/c/548d6678c4a3d43667e59686665f8674b82440a3
- https://git.kernel.org/stable/c/8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.58
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19