Improper locking in Linux kernel - CVE-2024-26687
Published: June 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92043
CSH Severity: 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-2024-26687
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 shutdown_pirq() and __unbind_from_irq() functions in drivers/xen/events/events_base.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/585a344af6bcac222608a158fc2830ff02712af5
- https://git.kernel.org/stable/c/20980195ec8d2e41653800c45c8c367fa1b1f2b4
- https://git.kernel.org/stable/c/9be71aa12afa91dfe457b3fb4a444c42b1ee036b
- https://git.kernel.org/stable/c/fa765c4b4aed2d64266b694520ecb025c862c5a9
- https://git.kernel.org/stable/c/ea592baf9e41779fe9a0424c03dd2f324feca3b3
- https://git.kernel.org/stable/c/9470f5b2503cae994098dea9682aee15b313fa44
- https://git.kernel.org/stable/c/0fc88aeb2e32b76db3fe6a624b8333dbe621b8fd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.215