Linux Kernel up to 7.0.0 platform_get_irq_byname privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel up to 6.6.135/6.12.82/6.18.23/6.19.13/7.0.0. This issue affects the function platform_get_irq_byname. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2026-43072. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.6.135/6.12.82/6.18.23/6.19.13/7.0.0 and classified as problematic. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: platform_get_irq_byname() returns an int platform_get_irq_byname() will return a negative value if an error happens, so it should be checked and not just passed directly into devm_request_threaded_irq() hoping all will be ok.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2026-43072 since 05/01/2026. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/08/2026).

The vulnerability scanner Nessus provides a plugin with the ID 312307 (Linux Distros Unpatched Vulnerability : CVE-2026-43072), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.6.136, 6.12.83, 6.18.24, 6.19.14, 7.0.1 or 7.1-rc1 eliminates this vulnerability. Applying the patch 63c11b19cdc154fa848a6c3b535bfb1dc7b60378/ef2ee9db13b68c5e332b77c0a7108a2d4d56e114/0185e0494a561edfc482507f9de89c2ad798b33d/9c10b83a004442c93d7a484c3d221a06a45821e1/0c1b117f7ba46fb8f6ebc5e0bfe5b58568c301ba/e597a809a2b97e927060ba182f58eb3e6101bc70 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (312307) and CERT Bund (WID-SEC-2026-1385). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • Microsoft Azure Linux

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

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: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 312307
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-43072

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.6.136/6.12.83/6.18.24/6.19.14/7.0.1/7.1-rc1
Patch: 63c11b19cdc154fa848a6c3b535bfb1dc7b60378/ef2ee9db13b68c5e332b77c0a7108a2d4d56e114/0185e0494a561edfc482507f9de89c2ad798b33d/9c10b83a004442c93d7a484c3d221a06a45821e1/0c1b117f7ba46fb8f6ebc5e0bfe5b58568c301ba/e597a809a2b97e927060ba182f58eb3e6101bc70

Timelineinfo

05/01/2026 CVE reserved
05/05/2026 +4 days Advisory disclosed
05/05/2026 +0 days VulDB entry created
06/08/2026 +34 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-43072 (🔒)
GCVE (CVE): GCVE-0-2026-43072
GCVE (VulDB): GCVE-100-361211
CERT Bund: WID-SEC-2026-1385 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/05/2026 19:41
Updated: 06/08/2026 13:13
Changes: 05/05/2026 19:41 (56), 05/06/2026 12:19 (2), 05/06/2026 22:08 (7), 06/01/2026 05:21 (10), 06/08/2026 13:13 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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