Linux Distros Unpatched Vulnerability : CVE-2026-90237

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is...

DEBIAN-CVE-2026-90237

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is invalid, triggering a splat. This was fixed by commit 1710eb913bdc...

AZL-102491 CVE-2026-90237 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is invalid, triggering a splat. This was fixed by commit 1710eb913bdc...

CVE-2026-90237

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is invalid, triggering a splat. This was fixed by commit 1710eb913bdc...

CVE-2026-90237 netfilter: nft_ct: move custom expectation support to helper

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is invalid, triggering a splat. This was fixed by commit 1710eb913bdc...

CVE-2026-90237 netfilter: nft_ct: move custom expectation support to helper

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is invalid, triggering a splat. This was fixed by commit 1710eb913bdc...

EUVD-2026-81830

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is invalid, triggering a splat. This was fixed by commit 1710eb913bdc...

CVE-2026-90237

CVE-2026-90237 affects the Linux kernel in the netfilter nft_ct module. The root cause is that early insertion of expectations into the expectations list for unconfirmed conntracks leads to stale entries pointing to the wrong hlist_head through .pprev due to conntrack extension reallocation. The ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftct: Fixed a use-after-free in the destroy function for timeout objects. The nftcttimeoutobjDestroy function frees the timeout object using kfree, immediately after nfcttimeoutout, without waiting for an RCU grace...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098774)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098774 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: bail out on template ct in get eval I noticed this issue while looking at a...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098737)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098737 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: add seqadj extension for natted connections Sequence adjustment may be required...

K000163080: Linux kernel vulnerability CVE-2026-53267

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: bail out on template ct in get eval I noticed this issue while looking at a historic syzbot report 1. A rule like the one below is enough to trigger the bug: table ip t chain pre ty...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-100128)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100128 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix missing expect put in obj eval nftctexpectobjeval allocates an expectation...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100740)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100740 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix missing expect put in obj eval nftctexpectobjeval allocates an expectation...

SUSE CVE-2026-52970

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix missing expect put in obj eval nftctexpectobjeval allocates an expectation and may call nfctexpectrelated, but never drops its local reference. Add nfctexpectputexp before return to balance allocation...

CVE-2026-53267

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: bail out on template ct in get eval I noticed this issue while looking at a historic syzbot report 1. A rule like the one below is enough to trigger the bug: table ip t chain pre type filter hook prerouting...

Linux Distros Unpatched Vulnerability : CVE-2026-52970

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftct: fix missing expect put in obj eval nftctexpectobjeval allocates an expectation and may call nfctexpectrelated, but never drops its local...

CVE-2026-52970

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix missing expect put in obj eval nftctexpectobjeval allocates an expectation and may call nfctexpectrelated, but never drops its local reference. Add nfctexpectputexp before return to balance allocation...

CVE-2026-52970

The CVE-2026-52970 entry maps to a Linux kernel netfilter issue in nft_ct: the function nft_ct_expect_obj_eval() allocates an expectation, may call nf_ct_expect_related(), but does not drop the local reference. The fix is to balance allocation by calling nf_ct_expect_put(exp) before returning. Co...

CVE-2025-68206

CVE-2025-68206 affects the Linux kernel netfilter nft_ct subsystem, specifically the seqadj extension for NATted connections used with FTP PASV/EPSV modes. The issue arises when the FTP control connection payload (IP/port) is rewritten, potentially requiring TCP length and seq/ack adjustments. Th...