Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: The label should be released when replacing an existing ct entry. The cited “commit” does not release the label mapping when replacing an existing ct entry, leading to the following memory leak report: Unreferenced...

SUSE CVE-2026-43450

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkcthelper: fix OOB read in nfnlcthelperdumptable nfnlcthelperdumptable has a 'goto restart' that jumps to a label inside the for loop body. When the "last" helper saved in cb-args1 is deleted between dump round...

CVE-2026-43450

A flaw was found in the Linux kernel's nfnetlinkcthelper component. This vulnerability, an out-of-bounds read, occurs in the nfnlcthelperdumptable function when a network connection tracking helper is removed during a dump operation, leading to a bypassed bounds check. A local attacker could...

UBUNTU-CVE-2026-43450

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkcthelper: fix OOB read in nfnlcthelperdumptable nfnlcthelperdumptable has a 'goto restart' that jumps to a label inside the for loop body. When the "last" helper saved in cb-args1 is deleted between dump round...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from accessing exp-master in ctnetlink without properly securing the master connection tracking object,...

CVE-2026-43060

The CVE-2026-43060 issue affects the Linux kernel netfilter component (nft_ct). When the nft_ct module is removed, packets enqueued in nfqueue may retain stale references to conntrack zone templates or timeout policies, risking instability or DoS. The root cause is references that can outlive the...

CVE-2026-43027

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackhelper: pass helper to expect cleanup nfconntrackhelperunregister calls nfctexpectiteratedestroy to remove expectations belonging to the helper being unregistered. However, it passes NULL instead of the help...

netfilter: nft_ct: fix use-after-free in timeout object destroy

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CVE-2026-31665

A flaw was found in the Linux kernel's netfilter connection tracking nfconntrack component. This vulnerability is a use-after-free error, occurring when a timeout object is deallocated prematurely without waiting for an RCU Read-Copy-Update grace period. This allows concurrent packet processing t...

DEBIAN-CVE-2026-31665

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix use-after-free in timeout object destroy nftcttimeoutobjdestroy frees the timeout object with kfree immediately after nfctuntimeout, without waiting for an RCU grace period. Concurrent packet processing on...

CVE-2026-31665 netfilter: nft_ct: fix use-after-free in timeout object destroy

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix use-after-free in timeout object destroy nftcttimeoutobjdestroy frees the timeout object with kfree immediately after nfctuntimeout, without waiting for an RCU grace period. Concurrent packet processing on...

CVE-2026-31496 netfilter: nf_conntrack_expect: skip expectations in other netns via proc

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"...

PT-2026-34401

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter component, specifically within nf conntrack expect, where expectations residing in other network namespaces netns were not properly skipped when accessed...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013275)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013275 advisory. net/netfilter/nfconntrackstandalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011386)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011386 advisory. In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007263)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007263 advisory. In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass...

netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp

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netfilter: nf_conntrack_expect: use expect->helper

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CVE-2026-31427

A flaw was found in the Linux kernel's netfilter subsystem, specifically within the nfconntracksip module. This vulnerability occurs in the processsdp function when the rtpaddr variable is used without proper initialization if the Session Description Protocol SDP body lacks recognized media types...

CVE-2026-31427

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: fix use of uninitialized rtpaddr in processsdp processsdp declares union nfinetaddr rtpaddr on the stack and passes it to the nfnatsip sdpsession hook after walking the SDP media descriptions. However...