Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: vsock/virtio: Only linear skb values are coalesced. In vsock/virtio common, attempts to coalesce buffers in the rx queue: if a linear skb with a spare tail room is followed by a small skb whose length is limited by GOODCOPYLEN...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the net: gro subsystem, do not merge the zcopy state. The skbgroreceive function currently copies fragments between the source skb and the GRO. This process does not check the zerocopy status, especially the SKBFLMANAGEDFRAGRE...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: skbuff: Fixed an issue where a missing zerocopy reference was present in the pskbcarve helpers. Both pskbcarveinsideheader and pskbcarveinsidenonlinear copy the old skbsharedinfo header into a new buffer using memcpy. Thi...

B&R Automation X20EDS410 Multiple Releases of Same Resource or Handle (CVE-2026-43494)

The Linux kernel version shipped with the affected B&R product X20EDS410 is affected by a vulnerability. A flaw in the kernel's net/rds zerocopy path that fails to reset opnents, leading to a double free. Successful local exploitation of this vulnerability could allow an authenticated attacker wi...

Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.63 fixes various security issues: The following security issues were fixed: CVE-2026-46120: ip6gre: Use cached t-net in ip6erspanchangelink bsc1267893. CVE-2026-46173: exit: prevent preemption of oopsing TASKDEAD task bsc1267723...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.31 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.31 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a...

EUVD-2026-48958

In the Linux kernel, the following vulnerability has been resolved: netfilter: handle unreadable frags sashiko reports: When an skb with unreadable fragments such as from devmem TCP, where skbfragsreadableskb returns false is processed by the u32 module, skbcopybits will safely return a negative...

kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs

A flaw was found in the Linux kernel's Generic Receive Offload GRO networking subsystem. This vulnerability occurs when skbgroreceive attempts to merge zerocopy socket buffers skbs without properly managing page reference counts, specifically when the SKBFLMANAGEDFRAGREFS flag is set. An attacker...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

RHEL 10 : kernel (RHSA-2026:44270)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:44270 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-After-Free in net/g...

ALSA-2026:44270 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs CVE-2026-46323 For more details about the security issues, including the impact, a CVSS score,...

CVE-2026-63970

A flaw was found in the Linux kernel's vsock/virtio transport. This vulnerability occurs when the system processes zerocopy socket buffers skbs and encounters an error during memory allocation for fixed-buffer vectored data. The system may attempt to free memory incorrectly, leading to a...

SUSE CVE-2026-63970

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: bind uarg before filling zerocopy skb virtiotransportsendpktinfo allocates or reuses the zerocopy uarg before entering the send loop, but virtiotransportallocskb still fills the skb before it inherits that uarg. Whe...

SUSE-SU-2026:22879-1 Security update for the Linux Kernel (Live Patch 13 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.34.1 fixes various security issues The following security issues were fixed: - CVE-2026-45970: bonding: alb: fix UAF in rlbarprecv during bond up/down bsc1267206. - CVE-2026-46120: ip6gre: Use cached t-net in ip6erspanchangelink...

SUSE-SU-2026:22766-1 Security update for the Linux Kernel (Live Patch 13 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.34.1 fixes various security issues The following security issues were fixed: - CVE-2026-45970: bonding: alb: fix UAF in rlbarprecv during bond up/down bsc1267206. - CVE-2026-46120: ip6gre: Use cached t-net in ip6erspanchangelink...

SUSE-SU-2026:22763-1 Security update for the Linux Kernel (Live Patch 11 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.32.1 fixes various security issues The following security issues were fixed: - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats bsc1263094. - CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of...

SUSE-SU-2026:22761-1 Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.7.1 fixes various security issues The following security issues were fixed: - CVE-2025-71089: iommu: disable SVA when CONFIGX86 is set bsc1256615. - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. -...

SUSE-SU-2026:22873-1 Security update for the Linux Kernel (Live Patch 6 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.27.1 fixes various security issues The following security issues were fixed: - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats...

SUSE-SU-2026:22874-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.26.1 fixes various security issues The following security issues were fixed: - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats...

Linux Distros Unpatched Vulnerability : CVE-2026-63970

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vsock/virtio: bind uarg before filling zerocopy skb virtiotransportsendpktinfo allocates or reuses the zerocopy uarg before entering the send loop, but...