Junos OS: EX Series, QFX Series, SRX Branch Series, MX Series: Memory leak in packet forwarding engine due to 802.1X authenticator port interface flaps

Summary

On Juniper Networks Junos EX series, QFX Series, MX Series and SRX branch series devices, a memory leak occurs every time the 802.1X authenticator port interface flaps which can lead to other processes, such as the pfex process, responsible for packet forwarding, to crash and restart. An administrator can use the following CLI command to monitor the status of memory consumption: user@device> show task memory detail Please refer to https://kb.juniper.net/KB31522 for details. This issue affects Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D54; 15.1X49 versions prior to 15.1X49-D240 ; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S8; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10 ; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S2, 19.4R2. This issue does not affect Juniper Networks Junos OS 12.3, 15.1.

Timeline

1. Jan 15, 2021, 5:35 PM UTCCVE published
2. Sep 16, 2024, 9:58 PM UTCRecord last updated

Affected versions

• Juniper Networks Junos OS

  Version range not reported

• Juniper Networks Junos OS

  From 14.1X53 · fixed in 14.1X53-D54

• Juniper Networks Junos OS

  From 15.1X49 · fixed in 15.1X49-D240

• Juniper Networks Junos OS

  From 15.1X53 · fixed in 15.1X53-D593

• Juniper Networks Junos OS

  From 16.1 · fixed in 16.1R7-S8; From 17.2 · fixed in 17.2R3-S4; From 17.3 · fixed in 17.3R3-S8; From 18.1 · fixed in 18.1R3-S10

References 1