#VU91537 Improper locking in Linux kernel - CVE-2023-52493
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91537
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-2023-52493
CWE-ID: CWE-667
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 improper locking within the parse_xfer_event() function in drivers/bus/mhi/host/main.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/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e
- https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece
- https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690
- https://git.kernel.org/stable/c/eaefb9464031215d63c0a8a7e2bfaa00736aa17e
- https://git.kernel.org/stable/c/b8eff20d87092e14cac976d057cb0aea2f1d0830
- https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8