Bug 2010816 (CVE-2021-27854) - CVE-2021-27854 kernel: layer 2 network filtering capabilities bypass / wifi
Summary: CVE-2021-27854 kernel: layer 2 network filtering capabilities bypass / wifi
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-27854
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2004887
TreeView+ depends on / blocked
 
Reported: 2021-10-05 13:32 UTC by Petr Matousek
Modified: 2022-10-02 16:06 UTC (History)
51 users (show)

Fixed In Version:
Doc Type: ---
Doc Text:
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers and Ethernet to Wifi frame translation.
Clone Of:
Environment:
Last Closed: 2021-10-05 13:33:03 UTC
Embargoed:

Attachments (Terms of Use)

Description Petr Matousek 2021-10-05 13:32:15 UTC 
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers and Ethernet to Wifi frame translation.
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