#VU96348 NULL pointer dereference in Linux kernel - CVE-2022-48868
Published: August 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96348
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-2022-48868
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 __drv_enable_wq() function in drivers/dma/idxd/device.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/0f150134dd795ffcd60b798a85ab737d8d010fb7
- https://git.kernel.org/stable/c/99dc4520b74e7ca8e9dc9abe37a0b10b49467960
- https://git.kernel.org/stable/c/b51b75f0604f17c0f6f3b6f68f1a521a5cc6b04f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.90
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2