CVE-2026-74328
iommufd: Destroy the pages content after detaching from dmabuf
Description
In the Linux kernel, the following vulnerability has been resolved: iommufd: Destroy the pages content after detaching from dmabuf Sashiko points out this has gotten out of order, the mutex could still be in use through the dmabuf invalidation callbacks. Don't destroy any of the pages content until the dmabuf is fully detached.
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-2026-74328
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
- Wait for dmabuf detachment before destroying page content.
- Modify page content destruction logic.
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-2026-74328.
| URL | Resource |
|---|---|
| https://git.kernel.org/stable/c/0507fcedbdcc87281ef8639c045fc9980363bbb6 | |
| https://git.kernel.org/stable/c/f2d70dbd3dcefa8e3c380beff9c31f5f033a4221 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-74328 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-2026-74328
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-2026-74328 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-74328 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': '71db84a092c399f434976d0522e848e9803cd51a', 'lessThan': '0507fcedbdcc87281ef8639c045fc9980363bbb6', 'versionType': 'git'}, {'status': 'affected', 'version': '71db84a092c399f434976d0522e848e9803cd51a', 'lessThan': 'f2d70dbd3dcefa8e3c380beff9c31f5f033a4221', 'versionType': 'git'}], 'programFiles': ['drivers/iommu/iommufd/pages.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.19'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.19', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/iommu/iommufd/pages.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: iommufd: Destroy the pages content after detaching from dmabuf Sashiko points out this has gotten out of order, the mutex could still be in use through the dmabuf invalidation callbacks. Don't destroy any of the pages content until the dmabuf is fully detached. Added Reference https://git.kernel.org/stable/c/0507fcedbdcc87281ef8639c045fc9980363bbb6 Added Reference https://git.kernel.org/stable/c/f2d70dbd3dcefa8e3c380beff9c31f5f033a4221