SB20250502168 - NULL pointer dereference in Linux kernel hw hfi1 driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502168
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-2022-49931)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sc_disable() function in drivers/infiniband/hw/hfi1/pio.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/1afac08b39d85437187bb2a92d89a741b1078f55
- https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e
- https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0
- https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c
- https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78