Linux Kernel up to 7.2.5 gic-v3-its irq-gic-v3-its.c its_vpe_irq_domain_alloc denial of service

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 7.2.5. It has been declared as very critical. Affected by this issue is the function its_vpe_irq_domain_alloc of the file drivers/irqchip/irq-gic-v3-its.c of the component gic-v3-its. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2026-92524. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 7.2.5 and classified as very critical. This vulnerability affects the function its_vpe_irq_domain_alloc of the file drivers/irqchip/irq-gic-v3-its.c of the component gic-v3-its. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Prevent leak in its_vpe_irq_domain_alloc() When its_irq_gic_domain_alloc() fails, the following its_vpe_irq_domain_free() fails to invoke its_vep_teardown() for the corresponding interrupt, which leaks the resource. Invoke its_vpe_teardown() in the error handling path to avoid the leak. [ tglx: Massaged change log ]

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-92524 since 09/16/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/17/2026). The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6 or 7.3-rc1 eliminates this vulnerability. Applying the patch 82bccf7f9a12bf0eec9774968f6a853020ea26d3/6cd7e9b5463e1bceddcaf4acec6ca0f12553455b/05c199d6b806ed1cc64807062f9986f11315e8ab/c4643bcb3bdda96b7292d6ab6ed196755a5bc304/0d1951a1935a11c197272dbd38349033f0ef8991/6eb1f1414bf70185dad2525ecac5411db551faa2/d324c4353f64190a032c78d6e07be6d57ddfb2f1/325ff3e78c64cd619d52b99f7c8b09a3f31e1495 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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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: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.10.270/5.15.221/6.1.188/6.6.157/6.12.110/6.18.52/7.2.6/7.3-rc1
Patch: 82bccf7f9a12bf0eec9774968f6a853020ea26d3/6cd7e9b5463e1bceddcaf4acec6ca0f12553455b/05c199d6b806ed1cc64807062f9986f11315e8ab/c4643bcb3bdda96b7292d6ab6ed196755a5bc304/0d1951a1935a11c197272dbd38349033f0ef8991/6eb1f1414bf70185dad2525ecac5411db551faa2/d324c4353f64190a032c78d6e07be6d57ddfb2f1/325ff3e78c64cd619d52b99f7c8b09a3f31e1495

Timelineinfo

09/16/2026 CVE reserved
09/17/2026 +1 days Advisory disclosed
09/17/2026 +0 days VulDB entry created
09/17/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-92524 (🔒)
GCVE (CVE): GCVE-0-2026-92524
GCVE (VulDB): GCVE-100-407056

Entryinfo

Created: 09/17/2026 22:51
Changes: 09/17/2026 22:51 (60)
Complete: 🔍
Cache ID: 216::103

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