Input validation error in Linux kernel - CVE-2022-48864
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94458
CSH Severity: Low
CVSS v4.0: 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-2022-48864
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the handle_ctrl_mq() function in drivers/vdpa/mlx5/net/mlx5_vnet.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-48864
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/e7e118416465f2ba8b55007e5b789823e101421e
- https://git.kernel.org/stable/c/9f6effca75626c7a7c7620dabcb1a254ca530230
- https://git.kernel.org/stable/c/ed0f849fc3a63ed2ddf5e72cdb1de3bdbbb0f8eb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17