SB2024060843 - Information disclosure in Linux kernel hw hfi1 driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060843
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-47523)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the hfi1_init(), hfi1_free_devdata(), hfi1_alloc_devdata() and cleanup_device_data() functions in drivers/infiniband/hw/hfi1/init.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2c08271f4ed0e24633b3f81ceff61052b9d45efc
- https://git.kernel.org/stable/c/834d0fb978643eaf09da425de197cc16a7c2761b
- https://git.kernel.org/stable/c/60a8b5a1611b4a26de4839ab9c1fc2a9cf3e17c1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16