NULL pointer dereference in Linux kernel - CVE-2022-48749
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92912
CSH Severity: 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-2022-48749
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 dpu_setup_dspp_pcc() function in drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.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/93a6e920d8ccb4df846c03b6e72f7e08843d294c
- https://git.kernel.org/stable/c/8f069f6dde518dfebe86e848508c07e497bd9298
- https://git.kernel.org/stable/c/1ebc18836d5df09061657f8c548e594cbb519476
- https://git.kernel.org/stable/c/170b22234d5495f5e0844246e23f004639ee89ba
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17