SB20251001103 - Incorrect calculation in Linux kernel hw hfi1 driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001103
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) Incorrect calculation (CVE-ID: CVE-2023-53488)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the free_cntrs() function in drivers/infiniband/hw/hfi1/chip.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/33c677d1e087e437c7dcaad8d73402cf6add282e
- https://git.kernel.org/stable/c/4fdfaef71fced490835145631a795497646f4555
- https://git.kernel.org/stable/c/5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a
- https://git.kernel.org/stable/c/918c1e6843b7e81d0e5cf7994f41f28dc34c98b0
- https://git.kernel.org/stable/c/ac6640f4193d0f5b44269a7f08372909f9a18e5c
- https://git.kernel.org/stable/c/bfd727ad8411995218f336ead9f2becfde7f3a89
- https://git.kernel.org/stable/c/c2145b18740c7e697748e4005ce93a5c683c86a8
- https://git.kernel.org/stable/c/d32a5e9b825d40c08a43dfbcba007159fed41a5d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.11