Linux Distros Unpatched Vulnerability : CVE-2026-53175

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - inet: frags: fix use-after-free caused by the fqdirpreexit flush On netns teardown, fqdirpreexit walks the fqdir rhashtable and flushes every fragment queue tha...

CVE-2026-53175 inet: frags: fix use-after-free caused by the fqdir_pre_exit() flush

In the Linux kernel, the following vulnerability has been resolved: inet: frags: fix use-after-free caused by the fqdirpreexit flush On netns teardown, fqdirpreexit walks the fqdir rhashtable and flushes every fragment queue that is not yet complete using inetfragqueueflush. That helper frees all...

EUVD-2026-38957

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in offloaded map/prog info fill When querying info for an offloaded BPF map or program, bpfmapoffloadinfofillns and bpfprogoffloadinfofillns obtain the network namespace with getnetdevnetoffmap-netdev...

CVE-2026-53089

The CVE-2026-53089 issue concerns the Linux kernel BPF offload info retrieval for maps/programs. When querying offloaded map/prog info, the code previously called get_net(dev_net(offmap->netdev)) to obtain the network namespace, which could race with netns destruction. If the netns refcount ha...

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: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in ctnetlinkdumptable: c if res ctgeneral; // HERE cb-args1 = unsigned longct; ... While it’s very unlikely, it’s possible that ct could be equ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: Fixed an issue where a use-after-free occurred in net in reqsktimerhandler. syzkaller reported a warning regarding the netns tracker 0, followed by KASAN, SPLAT 1, and another ref tracker warning 1. syzkaller was unable...

CVE-2026-22987

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: avoid dereferencing ERRPTR in tcfidrinfodestroy syzbot reported a crash in tcactinhw during netns teardown where tcfidrinfodestroy passed an ERRPTR-EBUSY value as a tcaction pointer, leading to an invalid...

PT-2026-4487

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s networking scheduler related to traffic control and action API handling. Specifically, the issue involves a potential invalid memory dereference withi...

DEBIAN-CVE-2025-38464

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantle. 0 tipctopsrvstop iterates tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn. The problem is th...

UBUNTU-CVE-2024-50036

In the Linux kernel, the following vulnerability has been resolved: net: do not delay dstentriesadd in dstrelease dstentriesadd uses per-cpu data that might be freed at netns dismantle from ip6routenetexit calling dstentriesdestroy Before ip6routenetexit can be called, we release all the dsts...