kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err()

A flaw was found in the Linux kernel's IPv6 tunnel implementation. A remote attacker could exploit this flaw by sending malicious ICMPv6 error messages to cause a stack-based buffer overflow in the kernel's IPv4-over-IPv6 tunnel error handling code. This could result in a kernel crash denial of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.19 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.19 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 4.21. Red Hat Product Security has rated this update as having a...

MiracleLinux 8 : kernel-4.18.0-553.129.1.el8_10 (AXSA:2026-772:41)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-772:41 advisory. kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Tenable has extracted the preceding description block directly fro...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-2364)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : xfrm: esp: avoid in-place decrypt on shared skb fragsCVE-2026-43284 Tenable has extracted the preceding description block directly from the EulerO...

Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-8361-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8361-1 advisory. A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following...

RockyLinux 8 : kernel (RLSA-2026:23258)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:23258 advisory. kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Tenable has extracted the preceding description block directly from t...

The vulnerability of the Kernel component of the Windows operating system, allowing a hacker to execute arbitrary code

The vulnerability of the Kernel component of the Windows operating system relates to the possibility of exploiting memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

kernel: nbd: defer config unlock in nbd_genl_connect

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.33 bug fix and security update

Red Hat OpenShift Container Platform release 4.19.33 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 4.19. Red Hat Product Security has rated this update as having a...

EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-2271)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : xfrm: esp: avoid in-place decrypt on shared skb fragsCVE-2026-43284 crypto: algifaead - Revert to operating out-of-placeCVE-2026-31431 Tenable has...

Vulnerabilities in Microsoft Windows

Microsoft has fixed a large number of vulnerabilities in Windows. A malicious party can exploit the vulnerabilities to carry out attacks that can lead to various categories of damage, as described in the tables below. Among these vulnerabilities are about six very serious ones, which Microsoft ha...

CVE-2026-42980 NT OS Kernel Elevation of Privilege Vulnerability

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CVE-2026-48583 Windows Kernel Elevation of Privilege Vulnerability

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CVE-2026-46330

The CVE-2026-46330 entry concerns the Linux kernel TCP ULP support for SMC. The vulnerability arises when an active TCP socket is converted into an SMC socket by in-place modifications to core VFS structures (struct file, dentry, inode), violating VFS invariants that expect these structures to be...

CVE-2026-46321 tun: free page on short-frame rejection in tun_xdp_one()

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46315

CVE-2026-46315 affects the Linux kernel’s io_uring waitid path. The issue arises because IORING_OP_WAITID stores results in io_waitid::info and may copy stale data to userspace if the wait completes without a child event. The fix is to clear the result storage during prep so the kernel’s path mir...

PT-2026-53062

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the kernel handler for IPV6 MSFILTER. The handler drops a serializing lock to copy the source-filter list from userspace and subsequently reacquires it...

Microsoft Windows Kernel 资源管理错误漏洞

The Microsoft Windows Kernel is the kernel of the Windows operating system developed by Microsoft Corporation. There is a resource management vulnerability in the Microsoft Windows Kernel. Attackers can exploit this vulnerability to gain higher privileges. The following products and versions are...

CVE-2026-46278

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fix segfault when updating ftrace mask Fix invalid data access by passing right data for debugfs entry. 171.549793 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 171.559248 M...

CVE-2026-46311

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix access to stale wptr mapping Use drmexec to take both locks i.e vm root bo and wptrobj bo to access the mapping data properly. This fixes the security issue of unmap the wptrobj while a queue creation is in...