CVE-2026-98770
kernel: usb: gadget: midi2: Fix the jack descriptor array sizes
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 23, 2026
Description
A flaw was found in the Linux kernel's USB gadget MIDI 2.0 driver. Under-sized descriptor arrays allow a local user to trigger an out-of-bounds memory access when setting up a large number of MIDI jacks through the configuration filesystem (configfs). This issue primarily results in memory corruption or a system crash, leading to a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-787 · Out-of-bounds Write