CVE-2024-44957
kernel: xen: privcmd: Switch from mutex to spinlock for irqfds
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 4, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's Xen privcmd module. An issue with the locking mechanism, specifically using a mutex where a spinlock was required, could lead to a system deadlock. A local attacker with low privileges could exploit this vulnerability to cause a Denial of Service (DoS), making the system unresponsive.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-667 · Improper Locking