CVE-2024-41055
kernel: mm: prevent derefencing NULL ptr in pfn_section_valid()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 29, 2024
Updated · October 31, 2026
Description
A flaw was found in the Linux kernel. This flaw allows a local user to cause a Denial of Service (DoS) by crashing the system. A race condition during memory section deactivation in the memory management subsystem can lead to a null pointer dereference in the pfn_section_valid() function due to a missing pointer validation check.
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
No mitigation is specified in collected source.
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