CVE-2026-10686

Zephyr's IPv6 forwarding path re-sent routed unicast packets without ever decrementing the IPv6 hop limit. Both routing branches of ipv6routepacket subsys/net/ip were affected: the explicit-route path netroutepacket and the on-link cross-interface path netroutepacketif. Each set the packet...

CVE-2026-10686 Missing hop-limit decrement on IPv6 forwarding path allows unbounded packet looping (DoS) in Zephyr routers

Zephyr's IPv6 forwarding path re-sent routed unicast packets without ever decrementing the IPv6 hop limit. Both routing branches of ipv6routepacket subsys/net/ip were affected: the explicit-route path netroutepacket and the on-link cross-interface path netroutepacketif. Each set the packet...

CVE-2026-10686 Missing hop-limit decrement on IPv6 forwarding path allows unbounded packet looping (DoS) in Zephyr routers

Zephyr's IPv6 forwarding path re-sent routed unicast packets without ever decrementing the IPv6 hop limit. Both routing branches of ipv6routepacket subsys/net/ip were affected: the explicit-route path netroutepacket and the on-link cross-interface path netroutepacketif. Each set the packet...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a panic that occurred when forwarding a packet without an in6 dev associated with the interface. Kongweibin reported a kernel panic in ip6forward, when the input interface does not have an in6 dev associated. The...

MiracleLinux 8 : net-snmp-5.8-27.el8 (AXSA:2023-5698:03)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-5698:03 advisory. net-snmp: NULL Pointer Exception when handling ipDefaultTTL CVE-2022-44792 net-snmp: NULL Pointer Exception when handling pv6IpForwarding...

SUSE CVE-2022-49048

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6forward when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev...

UBUNTU-CVE-2022-49048

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6forward when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev...

CVE-2022-49048 ipv6: fix panic when forwarding a pkt with no in6 dev

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6forward when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev...

CVE-2022-49048

CVE-2022-49048 : In the Linux kernel, a panic was reported in ip6_forward() when the input interface has no in6 dev, which has been fixed. The description/refs indicate the issue arises during IPv6 forwarding and can trigger a kernel panic; reproduction used tc qdisc commands on vxlan100. The con...

PT-2023-20137 · Nvidia · Nvidia Cumulus Linux

Name of the Vulnerable Software and Affected Versions: NVIDIA Cumulus Linux affected versions not specified Description: The issue concerns the forwarding of VxLAN-encapsulated IPv6 packets in NVIDIA Cumulus Linux. When such a packet is received on an SVI interface with its DMAC/DIPv6 set to the...

net-snmp: NULL Pointer Exception when handling pv6IpForwarding

A flaw was found in Net-SNMP. This issue occurs because the handleipv6IpForwarding in agent/mibgroup/ip-mib/ipscalars.c in Net-SNMP has a NULL Pointer Exception that could allow a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in a denial of service...

net-snmp: NULL Pointer Exception when handling pv6IpForwarding

A flaw was found in Net-SNMP. This issue occurs because the handleipv6IpForwarding in agent/mibgroup/ip-mib/ipscalars.c in Net-SNMP has a NULL Pointer Exception that could allow a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in a denial of service...

SUSE CVE-2022-44793

handleipv6IpForwarding in agent/mibgroup/ip-mib/ipscalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service...

AZL-41810 CVE-2022-44793 affecting package net-snmp for versions less than 5.9.4-1

handleipv6IpForwarding in agent/mibgroup/ip-mib/ipscalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service...

UBUNTU-CVE-2022-44793

handleipv6IpForwarding in agent/mibgroup/ip-mib/ipscalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service...

Net-SNMP 代码问题漏洞

Net-SNMP is an open source Simple Network Management Protocol SNMP software. The software is used to monitor network devices, computer devices, UPS devices, and more. A security vulnerability exists in Net-SNMP versions 5.4.3 through 5.9.3, which originates from a NULL pointer exception error in...

PT-2022-7452

Name of the Vulnerable Software and Affected Versions Net-SNMP versions 5.4.3 through 5.9.3 Description The issue is related to a NULL Pointer Exception bug in the handle ipv6IpForwarding function. This bug can be exploited by a remote attacker using a specially crafted UDP packet, resulting in a...

PT-2022-7623 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The vulnerability is related to the ipv6 component of the Linux kernel and is caused by a memory leak. When the network device is going down or IPv6 is disabled on the interface, the...

Kubernetes: IPv4 only clusters susceptible to MitM attacks via IPv6 rogue router advertisements

This bug report mostly concerns the default CNI plugins https://github.com/containernetworking/plugins but I believe affects many K8S clusters. Because the CNI team still doesn’t provide an explicit way to report security bugs, I hope the K8S security team doesn’t mind doing the coordination job...

SuSE 11.3 Security Update : openssh (SAT Patch Number 9357)

This update for OpenSSH fixes the following issues : - Exit sshd normally when port is already in use. bnc832628 - Use hardware crypto engines where available. bnc826427 - Use correct options for login when it is used. bnc833605 - Move FIPS messages to higher debug level. bnc862875 - Fix forwardi...