CVE-2026-46256 NFS/localio: prevent direct reclaim recursion into NFS via nfs_writepages

In the Linux kernel, the following vulnerability has been resolved: NFS/localio: prevent direct reclaim recursion into NFS via nfswritepages LOCALIO is an NFS loopback mount optimization that avoids using the network for READ, WRITE and COMMIT if the NFS client and server are determined to be on...

PT-2026-46019

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the NFS LOCALIO, an optimization for loopback mounts that bypasses the network for READ, WRITE, and COMMIT operations when the client and server are on the same system...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the optimization of NFS LOCALIO—the allocation of page cache does not utilize the GFPNOFS context...

Linux Distros Unpatched Vulnerability : CVE-2026-46256

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFS/localio: prevent direct reclaim recursion into NFS via nfswritepages LOCALIO is an NFS loopback mount optimization that avoids using the network for READ,...

dirtyfrag

Dirty Frag Overview Dirty Frag is a class of Linux ke...

Exploit for CVE-2026-43494

SLEY — PinTheft PoC CVE-2026-43494 Proof o...

Imperva Customers Protected Against CVE-2026-45247 in Mirasvit Full Page Cache Warmer for Magento

TL;DR: CVE-2026-45247 is a critical unauthenticated remote code execution RCE vulnerability affecting Mirasvit Full Page Cache Warmer for Magento 2. The flaw stems from unsafe PHP deserialization of attacker-controlled data supplied through the CacheWarmer cookie. Successful exploitation can allo...

Exploit for Incorrect Resource Transfer Between Spheres in Linux Linux_Kernel

copyfail-detect Detection toolkit for CVE-2026-31431 "Copy F...

Linux Kernel - Local Privilege Escalation

Titles: Linux Kernel Local Privilege Escalation CVE-2026-43284 / CVE-2026-43500 / CVE-2026-46300 Author: nu11secur1ty Date: 2026-05-11 Vendor: Linux Kernel Software: Linux Kernel All major distributions Vulnerability Type: Page-Cache Write / Memory Corruption Status: HIGH / CRITICAL --- Descripti...

About Elevation of Privilege - Linux Kernel "Fragnesia" (CVE-2026-46300) vulnerability

About Elevation of Privilege - Linux Kernel "Fragnesia" CVE-2026-46300 vulnerability. The vulnerability was discovered by researcher William Bowling together with the V12 team. Fragnesia belongs to the class of Dirty Frag vulnerabilities. It is an error in the ESP/XFRM subsystem, distinct from...

Linux Kernel - Local Privilege Escalation

Titles: Linux Kernel Local Privilege Escalation CVE-2026-43284 / CVE-2026-43500 Author: nu11secur1ty Date: 2026-05-11 Vendor: Linux Kernel Software: Linux Kernel All major distributions Vulnerability Type: Page-Cache Write / Memory Corruption Status: HIGH / CRITICAL --- Description The "Kukurigu"...

CVE-2026-45247

Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. Attackers can exploit the unrestricted...

kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's XFRM ESP-in-TCP subsystem. Unsafe in-place cryptographic processing allows a low-privileged local attacker to write arbitrary bytes into the page cache of read-only files, including sensitive system files. An attacker can exploit this to overwrite privileged...

Exploit for Write-what-where Condition in Linux Linux_Kernel

CVE-2026-43284 — 4-byte XFRM/ESP Proof-of-c...

kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's XFRM ESP-in-TCP subsystem. Unsafe in-place cryptographic processing allows a low-privileged local attacker to write arbitrary bytes into the page cache of read-only files, including sensitive system files. An attacker can exploit this to overwrite privileged...

PT-2026-43258

Name of the Vulnerable Software and Affected Versions Mirasvit Full Page Cache Warmer for Magento 2 versions prior to 1.11.12 Description A PHP object injection issue exists due to the unrestricted use of the native unserialize function. Unauthenticated attackers can achieve remote code execution...

Important: kernel-livepatch-6.12.80-105.147

Issue Overview: PinTheft is a Linux local privilege escalation exploit for an RDS zerocopy double-free that can be turned into a page-cache overwrite through iouring fixed buffers. Affected Packages: kernel-livepatch-6.12.80-105.147 Issue Correction: Please ensure you have live patching enabled...

Important: kernel-livepatch-6.12.79-101.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.12.79-101.147 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.20-20.229

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.18.20-20.229 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.25-52.107

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.18.25-52.107 Issue Correction: Please ensure you have live patching enabled. Run dnf update...