CVE-2024-53173
kernel: NFSv4.0: Fix a use-after-free problem in the asynchronous open()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 27, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's Network File System (NFS) client. When multiple threads concurrently attempt to open files and are aborted before receiving a server response, a race condition can cause the system to reference already freed memory. A local user could exploit this vulnerability to cause a system crash, resulting in a denial of service (DoS), or potentially execute arbitrary code.
Statement
This issue is considered to be a moderate impact flaw, as the reproduction (and exploit) for this is complex.
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 · 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 · Use After Free