Medium [CVE-2026-89735] Linux kernel: USB gadget MIDI2 driver resource leak leads to denial of service
This medium-severity Red Hat Linux advisory covers CVE-2026-89735.
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Summary
A flaw was found in the Linux kernel's USB gadget MIDI2 driver. The driver fails to properly remove default configuration file system (configfs) groups during teardown, leading to a resource leak.
A local attacker could exploit this vulnerability to cause memory exhaustion, potentially resulting in a denial of service (DoS) on the affected system. Red Hat severity: Moderate — CVSS 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-911.
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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