Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: Use expect-helper. Use expect-helper in ctnetlink and /proc to dump the helper’s name. Using nfcthelp without holding a reference to the master conntrack is unsafe. Use exp-master-helper in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: skip expectations in other netns via proc This resolves the issue where expectations related to other netnames are skipped when processing network traffic. Similar to the issue addressed in...

CVE-2026-80668

A flaw was found in the Netfilter subsystem of the Linux kernel, specifically within nfconntrackexpect. A race condition exists between the removal of an expectation and an expiring timer, which can allow the system to access a stale pointer. This vulnerability could lead to system instability or...

SUSE CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

AZL-98126 CVE-2026-80668 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

UBUNTU-CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

CVE-2026-80668

A race condition in the Linux kernel's netfilter nf_conntrack_expect subsystem allows an expectation to access a stale exp->master pointer when expectation removal loses a race with an expiring timer (timer_del() reporting false). The fix replaces the timer-based expiration with the existing c...

CVE-2026-80668 netfilter: nf_conntrack_expect: use conntrack GC to reap expectations

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

CVE-2026-80668 netfilter: nf_conntrack_expect: use conntrack GC to reap expectations

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

EUVD-2026-67544

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

CVE-2026-80668: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

Linux Distros Unpatched Vulnerability : CVE-2026-80668

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already...

The vulnerability of the exp_seq_show() function in the net/netfilter/nf_conntrack_expect.c module of the netfilter component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the expseqshow function in the net/netfilter/nfconntrackexpect.c module of the netfilter component of the Linux operating system is related to insufficient spatial separation. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE SLED15 / SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:2722-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2722-1 advisory. The SUSE Linux Enterprise 15 SP7 kernel was updated to receive various security bugfixes. The following securi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: The use of conntrack GC to manage expectations has been implemented. This patch replaces the timer API with a GC worker approach for managing expectations, as this was already done in many other...

CVE-2026-31496

A flaw was found in the Linux kernel's netfilter subsystem. This vulnerability allows a local user to potentially access or view network connection tracking expectations nfconntrackexpect from other network namespaces netns via the /proc filesystem. This could lead to information disclosure or a...

AZL-83198 CVE-2026-31496 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea "netfilter: conntrack: do not dump other netns's conntrack entries via proc"...