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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2022-22170

Junos OS: Specific packets over VXLAN cause FPC memory leak and ultimately reset

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Status
Published
Published
Updated
Assigning organization
juniper

Description

A Missing Release of Resource after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: user@host> show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

  • unspecified to < 19.4R1unaffected
  • 19.4 to < 19.4R2-S6, 19.4R3-S6affected
  • 20.1 to < 20.1R3-S2affected
  • 20.2 to < 20.2R3-S3affected
  • 20.3 to < 20.3R3-S1affected
  • 20.4 to < 20.4R3affected
  • 21.1 to < 21.1R3affected
  • 21.2 to < 21.2R2affected

References