CVE-2026-74327
Received Received - Intake

BaseFortify

Publication date: 2026-08-15

Last updated on: 2026-08-15

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in is_vm_area_hugepages() find_vm_area() can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-15
Last Modified
2026-08-15
Generated
2026-08-15
AI Q&A
2026-08-15
EPSS Evaluated
N/A
NVD
CVE-2026-74327
EUVD
EUVD-2026-59474

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a NULL pointer dereference vulnerability in the Linux kernel. The function find_vm_area() may return NULL if an invalid vmalloc address is provided. The code attempts to dereference this NULL pointer without checking, which can cause a kernel crash.

Detection Guidance

This vulnerability involves a NULL pointer dereference in the Linux kernel's vmalloc handling. Detection requires checking kernel logs for crashes or oopses related to vmalloc operations. Monitor system logs with commands like 'dmesg | grep -i vmalloc' or 'journalctl -k | grep -i vmalloc'. If crashes occur, they may indicate exploitation or exposure to this issue.

Impact Analysis

This vulnerability could lead to a system crash if an attacker triggers the NULL pointer dereference. This may cause denial of service, data loss, or require a system reboot to recover.

Mitigation Strategies

Apply the latest Linux kernel updates from your distribution to patch this vulnerability. If immediate patching is not possible, restrict access to kernel functions that interact with vmalloc areas and monitor for suspicious activity. Ensure kernel crash dumps are enabled for further analysis if needed.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-74327. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart