#VU91487 Race condition in Linux kernel - CVE-2023-52517
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91487
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-2023-52517
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 sun6i_spi_max_transfer_size(), sun6i_spi_prepare_dma(), sun6i_spi_transfer_one(), sun6i_spi_handler() and sun6i_spi_probe() functions in drivers/spi/spi-sun6i.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/bd1ec7f9983b5cd3c77e0f7cda3fa8aed041af2f
- https://git.kernel.org/stable/c/36b29974a7ad2ff604c24ad348f940506c7b1209
- https://git.kernel.org/stable/c/4e149d524678431638ff378ef6025e4e89b71097
- https://git.kernel.org/stable/c/1f11f4202caf5710204d334fe63392052783876d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6