CVE-2026-53372
iommu/vt-d: Block PASID attachment to nested domain with dirty tracking
Description
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Block PASID attachment to nested domain with dirty tracking Kernel lacks dirty tracking support on nested domain attached to PASID, fails the attachment early if nesting parent domain is dirty tracking configured, otherwise dirty pages would be lost.
INFO
Published Date :
July 19, 2026, 9:17 a.m.
Last Modified :
July 29, 2026, 4:55 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to a patched version.
- Verify dirty tracking configuration for nested domains.
- Test functionality after applying updates.
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-2026-53372.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53372 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-2026-53372
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-2026-53372 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53372 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.
-
Initial Analysis by [email protected]
Jul. 29, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.30 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.7 Added Reference Type kernel.org: https://git.kernel.org/stable/c/3ea9ce757bd3de955b56e7bc5672fc479e40b045 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9009c1af5458322469fa9a4371081a4449c5947d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/cc5bd898ff70710ffc41cd8e5c2741cb64750047 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 19, 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': '67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6', 'lessThan': '3ea9ce757bd3de955b56e7bc5672fc479e40b045', 'versionType': 'git'}, {'status': 'affected', 'version': '67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6', 'lessThan': '9009c1af5458322469fa9a4371081a4449c5947d', 'versionType': 'git'}, {'status': 'affected', 'version': '67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6', 'lessThan': 'cc5bd898ff70710ffc41cd8e5c2741cb64750047', 'versionType': 'git'}], 'programFiles': ['drivers/iommu/intel/nested.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.13'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.13', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.30', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.7', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/iommu/intel/nested.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Block PASID attachment to nested domain with dirty tracking Kernel lacks dirty tracking support on nested domain attached to PASID, fails the attachment early if nesting parent domain is dirty tracking configured, otherwise dirty pages would be lost. Added Reference https://git.kernel.org/stable/c/3ea9ce757bd3de955b56e7bc5672fc479e40b045 Added Reference https://git.kernel.org/stable/c/9009c1af5458322469fa9a4371081a4449c5947d Added Reference https://git.kernel.org/stable/c/cc5bd898ff70710ffc41cd8e5c2741cb64750047