CVE-2012-6396
First published: Sat Jan 19 2013(Updated: )
Cisco NX-OS on Nexus 7000 series switches does not properly handle certain line-card replacements, which might allow remote authenticated users to cause a denial of service (memory consumption) via a crafted configuration that references interfaces that do not exist on the new card, aka Bug ID CSCud44300.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco NX-OS | ||
| Cisco Nexus 7000 | ||
| Cisco Nexus 7000 | ||
| Cisco Nexus 7000 | ||
| Cisco Nexus 7000 9-Slot Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2012-6396?
CVE-2012-6396 is classified as a denial of service vulnerability due to memory consumption issues.
How do I fix CVE-2012-6396?
To fix CVE-2012-6396, ensure proper configuration and avoid referencing non-existent interfaces during line-card replacements.
Who is impacted by CVE-2012-6396?
CVE-2012-6396 impacts remote authenticated users of Cisco NX-OS on Nexus 7000 series switches.
What causes CVE-2012-6396?
CVE-2012-6396 is caused by improper handling of line-card replacements in Cisco NX-OS.
Can CVE-2012-6396 lead to system outages?
Yes, CVE-2012-6396 can lead to system outages due to denial of service through memory consumption.
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