CVE-2026-43503

CVE-2026-43503 DirtyClone - PoC - SecurewithUmer POC of DirtyClone — a Linux kernel local privilege escalation vulnerability. This repository contains a working Proof of Concept that allows an unprivileged local user to gain root privileges by exploiting page-cache corruption via cloned socket...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: vlan: do not propagate flags on open With the device instance lock, there is now a possibility of a deadlock: 1.211455=========================================== 1.211571WARNING: possible recursive locking detected...

libxml2: Fix of 2 CVEs

CVE-2026-86143: reject buffer lengths at or above INTMAX before calling the output write callback to prevent an integer overflow - CVE-2026-86144: propagate parseFlags in xmlXIncludeProcess and xmlXIncludeProcessTree so parser flags such as XMLPARSENONET are honoured...

CVE-2026-86144

In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This has security relevance for, for example, the XMLPARSENONET flag, if without it a custom resource loader accesses the internet and triggers XML external entity injection, SSRF, or ...

CVE-2026-80714

In the Linux kernel, the following vulnerability has been resolved: ipvs: do not propagate one-packet flag to synced conns Synced connections can be created before their destination exists. When the destination is later added, ipvsbinddest copies connection flags from the destination into cp-flag...

CVE-2026-53363

A flaw was found in the Linux kernel's iptfs component, part of the IPSec framework. The iptfsconsumefrags function does not correctly propagate a flag indicating shared fragments. This can cause the Encapsulating Security Payload ESP to make incorrect security decisions regarding in-place...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from improper propagation of VLAN flags, which can lead to deadlocks...