SB2025032744 - Improper locking in Linux kernel hw bnxt_re driver
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025032744
CSH 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 vulnerability.
1) Improper locking (CVE-ID: CVE-2025-21885)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the bnxt_re_create_srq() function in drivers/infiniband/hw/bnxt_re/ib_verbs.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/2cf8e6b52aecb8fbb71c41fe5add3212814031a2
- https://git.kernel.org/stable/c/722c3db62bf60cd23acbdc8c4f445bfedae4498e
- https://git.kernel.org/stable/c/b66535356a4834a234f99e16a97eb51f2c6c5a7d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14