CVE-2021-0244

A signal handler race condition exists in the Layer 2 Address Learning Daemon L2ALD of Juniper Networks Junos OS due to the absence of a specific protection mechanism to avoid a race condition which may allow an attacker to bypass the storm-control feature on devices. This issue is a corner case...

Race condition

A signal handler race condition exists in the Layer 2 Address Learning Daemon L2ALD of Juniper Networks Junos OS due to the absence of a specific protection mechanism to avoid a race condition which may allow an attacker to bypass the storm-control feature on devices. This issue is a corner case...

CVE-2021-0244

CVE-2021-0244 describes a signal handler race condition in the Layer 2 Address Learning Daemon (L2ALD) of Juniper Networks Junos OS that may allow an attacker to bypass storm-control on devices. Affected software ranges across multiple Junos OS branches and versions, including EX Series, SRX Seri...

CVE-2021-0244: Concurrent Execution using Shared Resource with Improper Synchronization

A signal handler race condition exists in the Layer 2 Address Learning Daemon L2ALD of Juniper Networks Junos OS due to the absence of a specific protection mechanism to avoid a race condition which may allow an attacker to bypass the storm-control feature on devices. This issue is a corner case...

PT-2021-12955

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions prior to 14.1X53-D49 on EX Series Juniper Networks Junos OS versions prior to 15.1R7-S6 Juniper Networks Junos OS versions prior to 15.1X49-D191, 15.1X49-D200 on SRX Series Juniper Networks Junos OS versions...

CVE-2018-0056

If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon L2ALD daemon might crash when attempting to delete the duplicate MAC address when the...

CVE-2018-0056

If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon L2ALD daemon might crash when attempting to delete the duplicate MAC address when the...

CVE-2018-0056

The CVE describes an issue in Juniper Networks Junos OS on MX Series devices with l2-backhaul VPN configured. The Layer 2 Address Learning Daemon (L2ALD) may crash when deleting a duplicate MAC address learned on two different interfaces if the entry is not found in the internal MAC address table...

CVE-2018-0056 MX Series: L2ALD daemon may crash if a duplicate MAC is learned by two different interfaces

If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon L2ALD daemon might crash when attempting to delete the duplicate MAC address when the...

PT-2018-8588

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 15.1R7-S1 on MX Series Junos OS versions prior to 16.1R4-S12 on MX Series Junos OS versions prior to 16.1R6-S6 on MX Series Junos OS versions prior to 16.2R2-S7 on MX Series Junos OS versions prior to 17.1R2-S9 on M...

CVE-2018-0056: Improper Input Validation

If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon L2ALD daemon might crash when attempting to delete the duplicate MAC address when the...