CVE-2024-27022
kernel: fork: defer linking file vma until vma is fully initialized
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 1, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel. A race condition can occur when the fork system call is called due to improper locking, triggering a warning, impacting system stability, and resulting in a denial of service.
Statement
This issue can result in a denial of service with no other security impact. Additionally, this issue requires a race condition, which increases the complexity of exploitation. For these reasons, this vulnerability has been rated with a moderate severity.
The Linux kernel as shipped in Red Hat Enterprise Linux 8 is not affected by this vulnerability because the vulnerable code was introduced in a newer version of the Linux kernel.
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 · 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')