CVE Database›Document archive›CVE-2021-0924

CVE-2021-0924

kernel: out-of-bounds read due to a missing bounds check in xhci_vendor_get_ops() of xhci.c

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · August 3, 2021

Updated · November 22, 2025

Description

An out-of-bounds (OOB) memory access flaw was found in xhci_vendor_get_ops in drivers/usb/host/xhci.c in the Linux kernel's xhci platform drivers. In this flaw, a local attacker with user privileges may cause an escalation of privilege due to a missing sanity check.

Statement

There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.

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

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-125 · Out-of-bounds Read