Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Juniper | Junos | 21.2 |
| Juniper | Mx240 | - |
| Juniper | Mx480 | - |
| Juniper | Mx960 | - |
Related Weaknesses (CWE)
References
- https://supportportal.juniper.net/JSA83012Vendor Advisory
- https://supportportal.juniper.net/JSA83012Vendor Advisory
FAQ
What is CVE-2024-39550?
CVE-2024-39550 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 int...
How severe is CVE-2024-39550?
CVE-2024-39550 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-39550?
Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos, Juniper Mx240, Juniper Mx480, Juniper Mx960.