#VU104701 Improper locking in Linux kernel - CVE-2022-49089
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104701
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49089
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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