SB2024061348 - Improper locking in Linux kernel xen events driver
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061348
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-26687)
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.
References
- 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