SB2024091897 - Improper locking in Linux kernel xen driver
Published: September 18, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091897
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-2024-46762)
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.
References
- 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