CVEvulnerability

CVE-2024-39550

7.1 HIGH Published 2024-07-11 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2024-07-11
Last modified
2026-06-17
Assigner
[email protected]
CVSS 4.0 ([email protected])
7.1 HIGH — CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-401

Description

A Missing Release of Memory after Effective Lifetime vulnerability in the rtlogd process of Juniper Networks Junos OS on MX Series with SPC3 allows an unauthenticated, adjacent attacker to trigger internal events cause ( which can be done by repeated port flaps) to cause a slow memory leak, ultimately leading to a Denial of Service (DoS). Memory can only be recovered by manually restarting rtlogd process.  The memory usage can be monitored using the below command.     user@host> show system processes extensive | match rtlog  This issue affects Junos OS on MX Series with SPC3 line card:  * from 21.2R3 before 21.2R3-S8,  * from 21.4R2 before 21.4R3-S6,  * from 22.1 before 22.1R3-S5,  * from 22.2 before 22.2R3-S3,  * from 22.3 before 22.3R3-S2,  * from 22.4 before 22.4R3-S1,  * from 23.2 before 23.2R2,  * from 23.4 before 23.4R2.

Affected configurations

• juniper junos 21.2 • juniper junos 21.4 • juniper junos 22.1 • juniper junos 22.2 • juniper junos 22.3 • juniper junos 22.4 • juniper junos 23.2 • juniper junos 23.4

Related

Weakness · CWE (1)

  • CWE-401 Missing Release of Memory after Effective Lifetime weakness

References