Medium [CVE-2026-72062] avoid corruption of shared interrupt trigger state
This medium-severity Red Hat Linux advisory covers CVE-2026-72062.
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Summary
A flaw was found in the Linux kernel's `gpio: mt7621` module. This vulnerability arises from non-atomic operations on shared interrupt trigger state.
When `mediatek_gpio_irq_type()` is called concurrently for different interrupts on the same bank, it can lead to an overwrite of configurations. This corruption of the shared interrupt trigger state could result in incorrect interrupt handling and potential system instability or a denial of service.
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-366.
Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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