Bug 2034699 (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
Summary: CVE-2021-0924 kernel: out-of-bounds read due to a missing bounds check in xhc...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-0924
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2034700
Blocks: 2034701
TreeView+ depends on / blocked
 
Reported: 2021-12-21 18:11 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-01-05 19:15 UTC (History)
46 users (show)

Fixed In Version:
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Doc Text:
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.
Clone Of:
Environment:
Last Closed: 2021-12-23 12:40:50 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-12-21 18:11:56 UTC 
In xhci_vendor_get_ops of xhci.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-194461020References: Upstream kernel

References:
https://source.android.com/security/bulletin/2021-11-01
https://android.googlesource.com/kernel/common/+/df1995aede8e5b13a5ba4d36b48ed88d5bb84497
Comment 1 Guilherme de Almeida Suckevicz 2021-12-21 18:12:37 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2034700]
Comment 5 Justin M. Forbes 2021-12-22 14:12:55 UTC 
This CVE is in code that is not upstream, and not shipped with Fedora.
Comment 6 Product Security DevOps Team 2021-12-23 12:40:47 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-0924
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