CVE-2026-93118
kernel: usb: gadget: aspeed_udc: check endpoint DMA allocation
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's USB gadget driver for Aspeed UDC. During the device initialization process, a failure to allocate a Direct Memory Access (DMA) buffer is not properly handled. This can lead to the driver attempting to use an invalid memory address, potentially causing a system crash or instability. A local attacker could exploit this to trigger 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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference