SB20250226534 - Improper locking in Linux kernel sw rdmavt driver
Published: February 26, 2025 Updated: May 11, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-49089)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the spin_lock_irqsave() function in drivers/infiniband/sw/rdmavt/qp.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/43c2d7890ecabe527448a6c391fb2d9a5e6bbfe0
- https://git.kernel.org/stable/c/4d809f69695d4e7d1378b3a072fa9aef23123018
- https://git.kernel.org/stable/c/57800cc36e55db0547461c49acf5cd84c0f502b0
- https://git.kernel.org/stable/c/77ffb2495a41098f9d6a14f8aefde3188da75944
- https://git.kernel.org/stable/c/8a50937227c385a477177c9ffa122b4230e40666
- https://git.kernel.org/stable/c/92f1947c0d26060e978b3a9f21f32ce7c8c9cca3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.34