Linux Kernel VT-d privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k6.44-

Summaryinfo

A vulnerability was found in Linux Kernel and classified as very critical. Affected is an unknown function of the component VT-d. Executing a manipulation can lead to Remote Privilege Escalation. The identification of this vulnerability is CVE-2026-53372. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel (the affected version is unknown). It has been declared as very critical. This vulnerability affects an unknown code of the component VT-d. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-53372 since 06/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/19/2026).

Applying the patch 3ea9ce757bd3de955b56e7bc5672fc479e40b045 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-45442). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Patch: 3ea9ce757bd3de955b56e7bc5672fc479e40b045

Timelineinfo

06/09/2026 CVE reserved
07/19/2026 +40 days Advisory disclosed
07/19/2026 +0 days VulDB entry created
07/19/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-53372 (🔒)
GCVE (CVE): GCVE-0-2026-53372
GCVE (VulDB): GCVE-100-380104
EUVD: 🔒

Entryinfo

Created: 07/19/2026 11:53
Updated: 07/19/2026 15:26
Changes: 07/19/2026 11:53 (52), 07/19/2026 15:26 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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