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Cisco Bug: CSCvv07958 - Use-after-free in vif_ma triggered by config ordering

Last Modified

Sep 28, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

7.3.1.BASE

Description (partial)

Symptom:
This defect has multiple possible symptoms. Some possible examples are listed below:

- pwhe_ma process crash
- bvi_ma process crash
- Rejection of PW-Ether interface configuration
- Rejection of PW-IW interface configuration
- Rejection of BVI interface configuration
- Corruption of data in pwhe_ma process
- Corruption of data in bvi_ma process

Conditions:
This defect is initially triggered when configuring a PW-Ether, PW-IW, or BVI interface. Any configuration under the following submodes could potentially trigger the issue:

- interface PW-Ether
- interface PW-IW
- interface BVI
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Bug Details Include

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