CVE-2024-39371
kernel: io_uring: check for non-NULL file pointer in io_file_can_poll()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 25, 2024
Updated · November 21, 2025
Description
A vulnerability was found in the io_uring subsystem in the Linux Kernel. The io_file_can_poll() function does not adequately check for a non-NULL file pointers. This oversight could potentially lead to undefined behavior or security issues related to I/O operations. This issue has been addressed in a recent kernel update.
Statement
Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.
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-476 · NULL Pointer Dereference