BugZero | Cisco BugID CSCvk00895 - double exception in ipv4_nat_icmp_lookup

Cisco - Defect ID: CSCvk00895

double exception in ipv4_nat_icmp_lookup_embedded

Cisco - Defect ID: CSCvk00895

double exception in ipv4_nat_icmp_lookup_embedded

Last updated on February 18th, 2026

BugZero Risk Score
6.1 Medium

Overall: 6.1

Severity: 6.4

Lifecycle: 9.1

Popularity: 4.6

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Bug Details

Description

Symptom

ESP crashes with CPP Driver LOCKDOWN error message. Complete diagnostic and validating defect should be performed by qualified TAC engineer.

Conditions

nat packet translation

Workaround

none

Further Problem Description

Change history

2024-04-02 Added: 16.9.1

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:16.9.1

Fixed versions: 16.10.1, 16.10.1a, 16.10.1b, 16.10.1c, 16.10.1d, 16.10.1e, 16.10.1f, 16.10.1g, 16.10.1i, 16.10.1s, 16.10.2, 16.10.3, 16.3.10, 16.3.11, 16.3.7, 16.3.8, 16.3.9, 16.6.5, 16.6.5a, 16.6.5b, 16.6.6, 16.6.7, 16.6.7a, 16.6.8, 16.6.9, 16.8.2, 16.8.3, 16.9.2, 16.9.2a, 16.9.2s, 16.9.3, 16.9.3a, 16.9.3h, 16.9.3s, 16.9.4, 16.9.4c, 3.16.8S_BinOS, 3.16.9S_BinOS

Relevant Products

Click on a version to see all relevant bugs

Affected versions:16.9.1

Fixed versions: 16.10.1, 16.10.1a, 16.10.1b, 16.10.1c, 16.10.1d, 16.10.1e, 16.10.1f, 16.10.1g, 16.10.1i, 16.10.1s, 16.10.2, 16.10.3, 16.3.10, 16.3.11, 16.3.7, 16.3.8, 16.3.9, 16.6.5, 16.6.5a, 16.6.5b, 16.6.6, 16.6.7, 16.6.7a, 16.6.8, 16.6.9, 16.8.2, 16.8.3, 16.9.2, 16.9.2a, 16.9.2s, 16.9.3, 16.9.3a, 16.9.3h, 16.9.3s, 16.9.4, 16.9.4c, 3.16.8S_BinOS, 3.16.9S_BinOS

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Cisco - Defect ID: CSCvk00895

double exception in ipv4_nat_icmp_lookup_embedded

Cisco - Defect ID: CSCvk00895

double exception in ipv4_nat_icmp_lookup_embedded

Last updated on February 18th, 2026

BugZero Risk Score6.1 Medium

Bug Details

Symptom

Conditions

Workaround

Further Problem Description

Links

Top Cisco Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.1 Medium