CVE-2023-22395
published 2023-01-13CVE-2023-22395: A Missing Release of Memory after Effective Lifetime vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated, adjacent attacker to…
medium6.5CVSS 3.1
AVAACLPRNUINSUCNINAH
A Missing Release of Memory after Effective Lifetime vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). In an MPLS scenario specific packets destined to an Integrated Routing and Bridging (irb) interface of the device will cause a buffer (mbuf) to leak. Continued receipt of these specific packets will eventually cause a loss of connectivity to and from the device, and requires a reboot to recover. These mbufs can be monitored by using the CLI command 'show system buffers': user@host> show system buffers 783/1497/2280 mbufs in use (current/cache/total) user@host> show system buffers 793/1487/2280 mbufs in use (current/cache/total) <<<<<< mbuf usage increased This issue affects Juniper Networks Junos OS: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R3-S9; 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-S4; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2.
Affected
24 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| juniper | junos | < 19.3 | 19.3 |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos_os | — | — |
| juniper_networks | junos_os | >= 19.4 < 19.4R3-S9 | 19.4R3-S9 |
| juniper_networks | junos_os | >= 20.1R1 < 20.1* | 20.1* |
| juniper_networks | junos_os | >= 20.2 < 20.2R3-S5 | 20.2R3-S5 |
| juniper_networks | junos_os | >= 20.3 < 20.3R3-S5 | 20.3R3-S5 |
| juniper_networks | junos_os | >= 20.4 < 20.4R3-S4 | 20.4R3-S4 |
| juniper_networks | junos_os | >= 21.1 < 21.1R3-S3 | 21.1R3-S3 |
| juniper_networks | junos_os | >= 21.2 < 21.2R3-S2 | 21.2R3-S2 |
| juniper_networks | junos_os | >= 21.3 < 21.3R3-S1 | 21.3R3-S1 |
| juniper_networks | junos_os | >= 21.4 < 21.4R3 | 21.4R3 |
| juniper_networks | junos_os | >= 22.1 < 22.1R2 | 22.1R2 |
| juniper_networks | junos_os | >= unspecified < 19.3R3-S7 | 19.3R3-S7 |