Bug 2130301 (CVE-2021-27861) - CVE-2021-27861 Kernel: Layer 2 network filtering capabilities bypass with invalid length (and optionally VLAN0 headers)
Summary: CVE-2021-27861 Kernel: Layer 2 network filtering capabilities bypass with inv...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-27861
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: 2022-09-27 19:01 UTC by Rohit Keshri
Modified: 2022-11-29 05:27 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 LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
Clone Of:
Environment:
Last Closed: 2022-11-29 05:27:28 UTC
Embargoed:

Attachments (Terms of Use)

Description Rohit Keshri 2022-09-27 19:01:30 UTC 
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
Comment 1 Product Security DevOps Team 2022-11-29 05:27:25 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-2021-27861
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