#VU96540 Improper locking in Linux kernel - CVE-2024-43893
Published: August 26, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96540
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-2024-43893
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 uart_set_info() function in drivers/tty/serial/serial_core.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/3bbd90fca824e6fd61fb20f6dd2b0fa5f8b14bba
- https://git.kernel.org/stable/c/55b2a5d331a6ceb1c4372945fdb77181265ba24f
- https://git.kernel.org/stable/c/52b138f1021113e593ee6ad258ce08fe90693a9e
- https://git.kernel.org/stable/c/9196e42a3b8eeff1707e6ef769112b4b6096be49
- https://git.kernel.org/stable/c/e13ba3fe5ee070f8a9dab60029d52b1f61da5051
- https://git.kernel.org/stable/c/e3ad503876283ac3fcca922a1bf243ef9eb0b0e2
- https://git.kernel.org/stable/c/68dc02f319b9ee54dc23caba742a5c754d1cccc8
- https://git.kernel.org/stable/c/6eabce6608d6f3440f4c03aa3d3ef50a47a3d193
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.320
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.224
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.282
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.105
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.46