CVE-2026-92524: irqchip/gic-v3-its: Prevent leak in its_vpe_irq_domain_alloc()

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-17 · updated 2026-10-19

Description

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 ]

Affected products

Linux kernel: 4.14 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/05c199d6b806ed1cc64807062f9986f11315e8ab
https://git.kernel.org/stable/c/0d1951a1935a11c197272dbd38349033f0ef8991
https://git.kernel.org/stable/c/325ff3e78c64cd619d52b99f7c8b09a3f31e1495
https://git.kernel.org/stable/c/6cd7e9b5463e1bceddcaf4acec6ca0f12553455b
https://git.kernel.org/stable/c/6eb1f1414bf70185dad2525ecac5411db551faa2
https://git.kernel.org/stable/c/82bccf7f9a12bf0eec9774968f6a853020ea26d3
https://git.kernel.org/stable/c/c4643bcb3bdda96b7292d6ab6ed196755a5bc304
https://git.kernel.org/stable/c/d324c4353f64190a032c78d6e07be6d57ddfb2f1

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