January 17, 2022—KB5010795 (OS Build 22000.438) Out-of-band

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January 17, 2022—KB5010792 (OS Build 18363.2039) Out-of-band

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CVE-2022-22172

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer-2 control protocols daemon l2cpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a memory leak. Continued exploitation can lead to memory exhaustion and thereby a...

Juniper Networks Junos OS 安全漏洞

Juniper Networks Junos OS is a Juniper Networks network operating system for the company's hardware devices. The OS provides a secure programming interface and the Junos SDK. Juniper Networks Junos OS has a security vulnerability that originates from a memory leak in the Layer 2 Control Protocol...

PT-2025-8472

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, specifically in the rtw89 module. The issue involves CAM leaks during the L2 reset process and ieee80211 restart hw function call...

PT-2021-8125 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The vulnerability is related to the KVM component of the Linux kernel. It is caused by the incorrect handling of the vmx-fail flag when the vCPU is in L2 and emulation required is true...

Juniper Networks Junos OS 资源管理错误漏洞

Juniper Networks Junos OS is a Juniper Networks network operating system for the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK. Juniper Networks Junos OS is vulnerable to a resource management error vulnerability that arises from an...

CVE-2021-34777

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database...

Cisco Small Business 220 Series Smart Switches 缓冲区错误漏洞

The Cisco Small Business 220 Series Smart Switches is a small smart switch device from Cisco USA. A buffer error vulnerability exists in the Cisco Small Business 220 Series Smart Switches, which can be exploited by an attacker to execute code on an affected device or cause the code to be...

Cisco Small Business 220 Series Smart Switches 缓冲区错误漏洞

The Cisco Small Business 220 Series Smart Switches is a small smart switch device from Cisco USA. A buffer error vulnerability exists in the Cisco Small Business 220 Series Smart Switches, which can be exploited by an attacker to execute code on an affected device or cause the code to be...

CVE-2021-34767

A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 L2 loop in a configured VLAN, resulting in a denial of service DoS condition for that...

CVE-2021-1621

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

CVE-2021-34767

A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 L2 loop in a configured VLAN, resulting in a denial of service DoS condition for that...

Cisco IOS XE Software 资源管理错误漏洞

Cisco IOS XE Software is an operating system from the U.S. company Cisco Cisco. A single operating system for enterprise wired and wireless access, aggregation, core and WAN, Cisco IOS XE reduces business and network complexity.Cisco IOS XE Software suffers from a denial-of-service vulnerability...

PT-2021-4321 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software affected versions not specified Description: A vulnerability in the Layer 2 punt code could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames,...

CVE-2021-34713

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames...

Cisco IOS XR 安全漏洞

Cisco IOS XR is an operating system developed by Cisco for its network devices. A security vulnerability exists in Cisco IOS XR that stems from a vulnerability in the Layer 2 code of the Cisco IOS XR software running on a router due to an error in the handling of specific Ethernet frames resultin...

Qualcomm 芯片 安全漏洞

A Qualcomm chip is a chip from Qualcomm Incorporated USA. A way to miniaturize circuits mainly semiconductor devices, but also passive components, etc. and are often manufactured on the surface of semiconductor wafers. A security vulnerability exists in the Qualcomm chip that stems from the host'...

CVE-2021-34734

A vulnerability in the Link Layer Discovery Protocol LLDP implementation for the Cisco Video Surveillance 7000 Series IP Cameras firmware could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition. This vulnerability is due to improper management of memory...

Juniper Networks Junos OS 和 Junos OS Evolved 缓冲区错误漏洞

Juniper Networks Junos OS and Junos OS Evolved are both products of Juniper Networks, Inc.Juniper Networks Junos OS is a network operating system for the company's hardware devices. Juniper Networks Junos OS is a network operating system for the company's hardware devices that provides a secure...