Bug 2010795 (CVE-2021-27853) - CVE-2021-27853 kernel: layer 2 network filtering capabilities bypass
Summary: CVE-2021-27853 kernel: layer 2 network filtering capabilities bypass
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-27853
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 13:26 UTC by Petr Matousek
Modified: 2022-10-02 16:01 UTC (History)
51 users (show)

Fixed In Version:
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Doc Text:
Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.
Clone Of:
Environment:
Last Closed: 2021-10-05 13:26:31 UTC
Embargoed:

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Description Petr Matousek 2021-10-05 13:26:08 UTC 
Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.
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