#VU91486 Race condition in Linux kernel - CVE-2023-52586
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91486
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52586
CWE-ID: CWE-362
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 escalate privileges on the system.
The vulnerability exists due to a race condition within the dpu_encoder_phys_vid_control_vblank_irq(), dpu_encoder_phys_vid_irq_control() and dpu_encoder_phys_vid_init() functions in drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c, within the dpu_encoder_phys_cmd_control_vblank_irq(), dpu_encoder_phys_cmd_irq_control() and dpu_encoder_phys_cmd_init() functions in drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c, within the dpu_encoder_phys_init() function in drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.