#VU94444 NULL pointer dereference in Linux kernel - CVE-2022-48811
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94444
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-2022-48811
CWE-ID: CWE-476
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 NULL pointer dereference within the init_crq_queue(), __ibmvnic_open() and ibmvnic_open() functions in drivers/net/ethernet/ibm/ibmvnic.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/960dfaf3b578dd23af012590e809ae2d58ba1827
- https://git.kernel.org/stable/c/e08cb9056fb2564d1f6bad789bdf79ab09bf2f81
- https://git.kernel.org/stable/c/61772b0908c640d0309c40f7d41d062ca4e979fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17