#VU97538 Improper locking in Linux kernel - CVE-2024-46762
Published: September 18, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97538
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-2024-46762
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 DEFINE_SPINLOCK(), irqfd_shutdown() and privcmd_irqfd_assign() functions in drivers/xen/privcmd.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/e997b357b13a7d95de31681fc54fcc34235fa527
- https://git.kernel.org/stable/c/112fd2f02b308564724b8e81006c254d20945c4b
- https://git.kernel.org/stable/c/611ff1b1ae989a7bcce3e2a8e132ee30e968c557
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51