CVE-2024-42135
kernel: vhost_task: Handle SIGKILL by flushing work and exiting
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 30, 2024
Updated · February 2, 2026
Description
A vulnerability was discovered in the Linux kernel's vhost driver where the improper handling of SIGKILL signals can leave vhost workers lingering or performing unintended operations even after receiving the kill signal. This can lead to system instability or crashes.
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 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-833 · Deadlock