CVE-2026-74327
vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()
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.
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 15, 2026, 6:22 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-74327
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply the kernel patch for vmalloc.
- Update the Linux kernel.
- Reboot the system after applying the patch.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-74327.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-74327 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-74327
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-74327 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-74327 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '121e6f3258fe393e22c36f61a319be8a4f2c05ae', 'lessThan': 'c741485fa09bf5900f76d95424d86316d0a00331', 'versionType': 'git'}, {'status': 'affected', 'version': '121e6f3258fe393e22c36f61a319be8a4f2c05ae', 'lessThan': 'b86f98e53df4f5d57259817b8e9a00167b78bae6', 'versionType': 'git'}, {'status': 'affected', 'version': '121e6f3258fe393e22c36f61a319be8a4f2c05ae', 'lessThan': 'af71c2b88ccae44418e273bdfe0c96be8515151e', 'versionType': 'git'}, {'status': 'affected', 'version': '121e6f3258fe393e22c36f61a319be8a4f2c05ae', 'lessThan': 'a1bca6b69bd934e2731d009e645038e05d57ce59', 'versionType': 'git'}, {'status': 'affected', 'version': '121e6f3258fe393e22c36f61a319be8a4f2c05ae', 'lessThan': 'bbd664b7c77f6488cd5652231c0fe01d069a73ea', 'versionType': 'git'}, {'status': 'affected', 'version': '121e6f3258fe393e22c36f61a319be8a4f2c05ae', 'lessThan': '55a44f5259e6a5f1d5b11cb0e19e943c9cc62280', 'versionType': 'git'}, {'status': 'affected', 'version': '121e6f3258fe393e22c36f61a319be8a4f2c05ae', 'lessThan': 'c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8', 'versionType': 'git'}], 'programFiles': ['include/linux/vmalloc.h'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.13'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.13', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['include/linux/vmalloc.h'], 'defaultStatus': 'affected'}] Added 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. Added Reference https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280 Added Reference https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59 Added Reference https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e Added Reference https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6 Added Reference https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea Added Reference https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8 Added Reference https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331