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Juniper Junos OS: 2022-07 Security Bulletin: Junos OS: MX Series with MPC11: In a GNF / node slicing scenario gathering AF interface statistics can lead to a kernel crash (JSA69711) (CVE-2022-22207)

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Juniper Junos OS: 2022-07 Security Bulletin: Junos OS: MX Series with MPC11: In a GNF / node slicing scenario gathering AF interface statistics can lead to a kernel crash (JSA69711) (CVE-2022-22207)

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
07/20/2022
Created
11/30/2022
Added
11/29/2022
Modified
12/06/2023

Description

A Use After Free vulnerability in the Advanced Forwarding Toolkit (AFT) manager process (aftmand) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS). Continued gathering of AF interface statistics will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on MX Series: 20.1 versions later than 20.1R1; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.

Solution(s)

  • juniper-junos-os-upgrade-latest

References

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