SB2025040267 - NULL pointer dereference in Linux kernel hw bnxt_re driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040267
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-2025-21901)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the bnxt_re_stop_irq(), bnxt_re_start_irq() and bnxt_re_suspend() functions in drivers/infiniband/hw/bnxt_re/main.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/8cb0eef46d70a99c88c26a1addb7fd955242e0e6
- https://git.kernel.org/stable/c/aed1bc673907e3df372b317c10ff2f3582f8bf1a
- https://git.kernel.org/stable/c/f0df225d12fcb049429fb5bf5122afe143c2dd15
- 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