Memory leak in Junos OS - CVE-2022-22226
Published: October 21, 2022
Vulnerability identifier: #VU68578
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-22226
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak within the Packet Forwarding Engine (PFE) when VxLAN is enabled. A remote attacker on the local network can send specific packets to the affected device and perform denial of service attack.
Affected software
Junos OS
How to mitigate CVE-2022-22226
Install updates from vendor's website. The vulnerability affects Juniper Networks Junos OS on EX4300-MP, EX4600, and QFX5000 Series.
Junos OS - addressed in versions 17.3R3-S12, 17.4R2-S13, 17.4R3-S5, 18.1R3-S13, 18.2R3-S8, 18.3R3-S5, 18.4R1-S8, 18.4R2-S6, 18.4R3-S6, 19.1R3-S4, 19.2R1-S7, 19.2R3-S1, 19.3R2-S6, 19.3R3-S1, 19.4R1-S4, 19.4R2-S4, 19.4R3-S1, 20.1R2, 20.2R2-S3, 20.2R3, 20.3R2, 20.4R1