CVE-2025-30660 Junos OS: MX Series: Decapsulation of specific GRE packets leads to PFE reset

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS.When processing a high rate of specific GRE traffic destined to th...

PT-2025-15867 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 21.2R3-S9 Junos OS versions 21.4 prior to 21.4R3-S8 Junos OS versions 22.2 prior to 22.2R3-S4 Junos OS versions 22.4 prior to 22.4R3-S5 Junos OS versions 23.2 prior to 23.2R2-S2 Junos OS versions 23.4 prior to 23.4R...

SUSE CVE-2022-49340

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

DEBIAN-CVE-2022-49340

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

CVE-2022-49340

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

UBUNTU-CVE-2022-49340

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

CVE-2022-49340

The CVE-2022-49340 entry refers to the Linux kernel GRE/IPGRE path where ipgre_xmit validates csum_start for CHECKSUM_PARTIAL packets. The issue arose when skb_pull and GRE with TUNNEL_CSUM could cause an overflow via lco_csum if skb_checksum_start(skb) was compared against skb->data without p...

CVE-2022-49340 ip_gre: test csum_start instead of transport header

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

CVE-2022-49340

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

CVE-2022-49340 ip_gre: test csum_start instead of transport header

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

CVE-2024-7595

GRE and GRE6 Protocols RFC2784 do not validate or verify the source of a network packet allowing an attacker to spoof and route arbitrary traffic via an exposed network interface that can lead to spoofing, access control bypass, and other unexpected network behaviors. This can be considered simil...

CVE-2024-7595 GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet

GRE and GRE6 Protocols RFC2784 do not validate or verify the source of a network packet allowing an attacker to spoof and route arbitrary traffic via an exposed network interface that can lead to spoofing, access control bypass, and other unexpected network behaviors. This can be considered simil...

CVE-2024-7595

CVE-2024-7595 is documented with concrete details in connected sources: Junos OS exposes a GRE/GRE6 vulnerability where the protocol stack does not verify the source of tunneled packets. The issue arises when GRE/GRE6 is configured without authentication or filtering, enabling a remote attacker t...

CVE-2024-7595

An insecure configuration flaw was found in the GRE and GRE6 Protocols. When configured to not require authentication or filtering, this issue could allow a remote unauthenticated attacker to spoof packets or bypass access controls. Mitigation See references section for detailed guidance...

DEBIAN-CVE-2024-50252

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumipip: Fix memory leak when changing remote IPv6 address The device stores IPv6 addresses that are used for encapsulation in linear memory that is managed by the driver. Changing the remote address of an ip6gre net...

UBUNTU-CVE-2024-50252

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumipip: Fix memory leak when changing remote IPv6 address The device stores IPv6 addresses that are used for encapsulation in linear memory that is managed by the driver. Changing the remote address of an ip6gre net...

Exploit for Command Injection in Netgate Pfsense

pfSense 2.7.0 Command Injection Exploit CVE-2023-42326 This...

CVE-2024-20455

A vulnerability in the process that classifies traffic that is going to the Unified Threat Defense UTD component of Cisco IOS XE Software in controller mode could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability exists...

How to Configure a CloudConnector Between Two NetScaler VPX Appliances Using a Wizard

This article describes how to configure a CloudConnector between two NetScaler VPX appliances on different data centers- Data Center A and Data Center B using a wizard. Background CloudConnector is a feature used to build a cloud-extended data center. You can create bridges to connect one or more...

The vulnerability of the /view/networkConfig/GRE/gre_edit_commit.php file in the Ruijie RG-UAC router microprogramming software allows a attacker to execute any command they desire.

The vulnerability of the /view/networkConfig/GRE/greeditcommit.php file in the Ruijie RG-UAC router microprogramming software exists due to the failure to address the special elements used in the operating system command. Exploiting this vulnerability allows a remote attacker to execute arbitrary...