Cisco Bug: CSCvo74991 - AMP - Linux Connector on CentOS/RHEL 6.x experience kernel panic in rare instances
Oct 03, 2019
- Cisco AMP for Endpoints
Known Affected Releases
1.3(0) 1.4(0) 1.4(5) 1.5(0) 1.6(0) 1.7(0) 1.8(0) 1.8(1) 1.8(4) 1.9(1)
Symptom: Kernel panic. Conditions: A machine running a supported CentOS/RHEL 6.x operating system, and any version of the connector prior to 1.9.6, can experience this kernel panic. It happens when a file in a directory being monitored by AMP is removed (unlinked) while the kernel is simultaneously processing that file's dentry while shrinking the dentry cache. The kernel shrinks the dentry cache periodically to free memory, or when a logged-in administrator requests that the cache be dropped. This problem does not affect CentOS/RHEL 7.x.
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