Memory leak in Juniper Junos OS - CVE-2022-22209
Published: July 13, 2022
Vulnerability identifier: #VU82501
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-22209
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Juniper Junos OS
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
A Missing Release of Memory after Effective Lifetime vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated network based attacker to cause a Denial of Service (DoS).
On all Junos platforms, the Kernel Routing Table (KRT) queue can get stuck due to a memory leak triggered by interface flaps or route churn leading to RIB and PFEs getting out of sync.
Remediation
Install updates from vendor's website.