CVE-2023-44188

Summary

CVE-2023-44188 is a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Juniper Networks Junos OS. A network-authenticated attacker can cause a Denial of Service (DoS) by flooding the system with multiple telemetry requests, leading to repeated crashes of the Junos Kernel Debugging Streaming Daemon (jkdsd) process. This issue occurs due to a timing issue accessing stale memory, and affects various Junos OS versions, including 20.4, 21.1, 21.2, 21.3, 21.4, 22.1, 22.2, 22.3, and 23.1. Versions prior to 19.4R1 are not affected.

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