Improper update of reference count in Junos OS Evolved - CVE-2022-22195
Published: April 13, 2022
Vulnerability identifier: #VU82468
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2022-22195
CWE-ID: CWE-911
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper update of reference count error in the kernel. A remote non-authenticated attacker can trigger a counter overflow, eventually causing a Denial of Service (DoS).
Affected software
Junos OS Evolved
How to mitigate CVE-2022-22195
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 20.4R3-S1-EVO, 21.1R3-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO