SB2022041365 - Improper update of reference count in Junos OS Evolved
Published: April 13, 2022
Security Bulletin ID
SB2022041365
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper update of reference count (CVE-ID: CVE-2022-22195)
CWE-ID: CWE-911 - Improper Update of Reference Count
CVSSv4: 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
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).
Remediation
Install update from vendor's website.