cbcvebase.
CVE-2022-22249
published 2022-10-18

CVE-2022-22249: An Improper Control of a Resource Through its Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows an…

medium6.5CVSS 3.1
AVAACLPRNUINSUCNINAH
An Improper Control of a Resource Through its Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). When there is a continuous mac move a memory corruption causes one or more FPCs to crash and reboot. These MAC moves can be between two local interfaces or between core/EVPN and local interface. The below error logs can be seen in PFE syslog when this issue happens: xss_event_handler(1071): EA[0:0]_PPE 46.xss[0] ADDR Error. ppe_error_interrupt(4298): EA[0:0]_PPE 46 Errors sync xtxn error xss_event_handler(1071): EA[0:0]_PPE 1.xss[0] ADDR Error. ppe_error_interrupt(4298): EA[0:0]_PPE 1 Errors sync xtxn error xss_event_handler(1071): EA[0:0]_PPE 2.xss[0] ADDR Error. This issue affects Juniper Networks Junos OS on MX Series: All versions prior to 15.1R7-S13; 19.1 versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R2-S7, 19.4R3-S8; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2.

Affected

27 ranges· showing 25
VendorProductVersion rangeFixed in
juniperjunos< 15.115.1
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juniperjunos_os
junipermx_series
juniper_networksjunos_os>= 19.1 < 19.1R3-S919.1R3-S9
juniper_networksjunos_os>= 19.2 < 19.2R3-S619.2R3-S6
juniper_networksjunos_os>= 19.3 < 19.3R3-S619.3R3-S6
juniper_networksjunos_os>= 19.4 < 19.4R2-S7, 19.4R3-S819.4R2-S7, 19.4R3-S8
juniper_networksjunos_os>= 20.1R1 < 20.1*20.1*
juniper_networksjunos_os>= 20.2 < 20.2R3-S520.2R3-S5
juniper_networksjunos_os>= 20.3 < 20.3R3-S520.3R3-S5
juniper_networksjunos_os>= 20.4 < 20.4R3-S220.4R3-S2
juniper_networksjunos_os>= 21.1 < 21.1R321.1R3
juniper_networksjunos_os>= 21.2 < 21.2R321.2R3