EUVD-2026-108740

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop PMTU walk when nexthop group shrinks Commit 7d3f3b4367f3 "net: ipv4: Cache pmtu for all packet paths if multipath enabled" made iprtupdatepmtu update every path. For nexthop objects, fibinfonumpath and fibinfonhc...

CVE-2026-99074

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop PMTU walk when nexthop group shrinks Commit 7d3f3b4367f3 "net: ipv4: Cache pmtu for all packet paths if multipath enabled" made iprtupdatepmtu update every path. For nexthop objects, fibinfonumpath and fibinfonhc...

EUVD-2026-108739

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop exception dump when nexthop group shrinks Commit 4ce5dc9316de "inet: switch inetdumpfib to RCU protection" allowed IPv4 FIB dumps to run concurrently with nexthop replacement. fibdumpinfofnhe uses fibinfonumpath as the...

CVE-2026-99072

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop route notification sizing when nexthop group shrinks Commit 680aea08e78c "net: ipv4: Emit notification when fib hardware flags are changed" added an RCU-only fibnlmsgsize call for asynchronous hardware flag...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vxlan: Fixed the nexthop hash size. The nexthop code expects a 31-bit hash, such as the one returned by fibmultipathhash and rt6multipathhash. Passing a 32-bit hash returned by skbgethash can lead to issues, especially when th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix route with nexthop object delete warning The FRR team encountered a kernel warning1 while deleting routes2. This issue occurred when attempting to delete a route that points to a nexthop ID without specifying the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nexthop: Fixed the issue where IPv6 routes referenced an IPv4 nexthop. syzbot reported a panic 12. When an IPv6 nexthop is replaced with an IPv4 nexthop, the hasv4 flag of all groups containing this nexthop is not updated. Thi...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we attempt to add an IPv6 nexthop parameter, and IPv6 is not enabled !CONFIGIPV6, we encounter a NULL pointer dereference in the error path of nhcreateipv6...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: All fields within the struct nexthopgrp structure must be initialized. The struct nexthopgrp contains two reserved fields that are not initialized by nlaputnhgroup, and these fields contain garbage values. This can ...

CVE-2026-101961

A NULL Pointer Dereference vulnerability in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a routing-daemon denial of service via a specific BGP packet received while a nexthop-ecmp qualifier is attached to a BGP...

CVE-2026-101961 Junos OS and Junos OS Evolved: A specific BGP packet causes an rpd crash when an ECMP qualifier is used in an import policy

A NULL Pointer Dereference vulnerability in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a routing-daemon denial of service via a specific BGP packet received while a nexthop-ecmp qualifier is attached to a BGP...

CVE-2026-101961

A NULL Pointer Dereference vulnerability exists in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos OS and Junos OS Evolved . A configured eBGP peer can trigger a routing-daemon (rpd) denial of service by sending a specific BGP packet when a nexthop-ecmp qualifier is attached to ...

EUVD-2026-101312

A NULL Pointer Dereference vulnerability in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a routing-daemon denial of service via a specific BGP packet received while a nexthop-ecmp qualifier is attached to a BGP...

CVE-2026-102024

An Integer Overflow or Wraparound vulnerability exists in the routing daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved . An authenticated BGP peer can trigger a denial of service by sending BGP route updates when extended-nexthop-tunnel is enabled. No specific exploit details or rem...

CVE-2026-101961: NULL Pointer Dereference

A NULL Pointer Dereference vulnerability in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a routing-daemon denial of service via a specific BGP packet received while a nexthop-ecmp qualifier is attached to a BGP...

SUSE CVE-2026-98031

In the Linux kernel, the following vulnerability has been resolved: nexthop: Initialize extack in removenhgrpentry removenhgrpentry prints the extack message when a listener fails to replace the reduced nexthop group. However, extack is not initialized and listeners are not required to set a...

CVE-2026-98031

A flaw was found in the Linux kernel. When removing a nexthop routing group entry, an error path fails to properly initialize an error-reporting pointer, causing the kernel to dereference uninitialized stack memory. A local user with network administration privileges could exploit this flaw durin...

DEBIAN-CVE-2026-98031

In the Linux kernel, the following vulnerability has been resolved: nexthop: Initialize extack in removenhgrpentry removenhgrpentry prints the extack message when a listener fails to replace the reduced nexthop group. However, extack is not initialized and listeners are not required to set a...

UBUNTU-CVE-2026-98031

In the Linux kernel, the following vulnerability has been resolved: nexthop: Initialize extack in removenhgrpentry removenhgrpentry prints the extack message when a listener fails to replace the reduced nexthop group. However, extack is not initialized and listeners are not required to set a...

CVE-2026-98031 nexthop: Initialize extack in remove_nh_grp_entry()

In the Linux kernel, the following vulnerability has been resolved: nexthop: Initialize extack in removenhgrpentry removenhgrpentry prints the extack message when a listener fails to replace the reduced nexthop group. However, extack is not initialized and listeners are not required to set a...