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...

EUVD-2026-86684

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

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

The Linux kernel is vulnerable to a null pointer dereference within the nexthop component. Specifically, the remove_nh_grp_entry() function prints the extack message when a listener fails to replace a reduced nexthop group; however, extack is not initialized and listeners are not required to set ...

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...

CVE-2026-98023 vxlan: reject dynamic fdb entries that reference a nexthop id

In the Linux kernel, the following vulnerability has been resolved: vxlan: reject dynamic fdb entries that reference a nexthop id The commit cited in the Fixes tag allowed VXLAN FDB entries to point to FDB nexthops so that overlay traffic could be load balanced across multiple VTEPs. Such entries...

CVE-2026-98023

In the Linux kernel, the following vulnerability has been resolved: vxlan: reject dynamic fdb entries that reference a nexthop id The commit cited in the Fixes tag allowed VXLAN FDB entries to point to FDB nexthops so that overlay traffic could be load balanced across multiple VTEPs. Such entries...

CVE-2026-98023

The Linux kernel contains a vulnerability in the VXLAN driver where it fails to prevent the configuration of dynamic FDB entries that reference a nexthop ID. Because the per-nexthop FDB list is only protected by a per-device hash lock—which is insufficient when multiple VXLAN devices share the sa...

Linux Distros Unpatched Vulnerability : CVE-2026-98031

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nexthop: Initialize extack in removenhgrpentry removenhgrpentry prints the extack message when a listener fails to replace the reduced nexthop group. However,...

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...

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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: A reference count leak was fixed when using error routes with nexthop objects. When a nexthop object is deleted, it is marked as “dead”, and then fibtableFlush is called to flush all routes that use the dead nexthop. The...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net: ipv4: fixed a issue where deleting routes with a nexthop object triggered a warning. The FRR team encountered a kernel warning1 while deleting routes2. This issue occurred when attempting to delete a route that pointed to...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Added lwtunnel encap size for all siblings in the nexthop calculation. In the function rt6nlmsgsize, the length of nexthop is calculated by multiplying the nexthop length of fib6info with the number of siblings. However, if...

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 ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: preventing infinite loops in rt6nlmsgsize During testing of the previous patch, I was able to trigger an infinite loop in rt6nlmsgsize at the following location: listforeachentryrcusibling, &f6i-fib6siblings, fib6siblings...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ipv4: Handled attempts to delete multipath routes when fibinfo contains a reference to nh. Gwangun Jung reported a buffer overflow vulnerability in fibnhmatch: fibnhmatch+0xf98/0x1130, linux-6.0-rc7/net/ipv4/fibsemantics.c:961...