Fragnesia-go

fragnesia-go One SA. One byte at a time. No race. Go port of fragnesia CVE-2026-46300. Member of the Dirty Frag vulnerability class - separate bug, same surface, own patch. How it works tl;dr The bug is in the Linux XFRM ESP-in-TCP subsystem. When TCPULP espintcp is installed on a socket after da...

ansible-mitigate-copyfail-dirtyfrag

Ansible playbook to mitigate CopyFail, DirtyFrag and Fragnesia vulnerabilities Mitigate CopyFail CVE-2026-31431, DirtyFrag CVE-2026-43284 and Fragnesia CVE-2026-46300 vulnerabilities in the Linux Kernel using a simple but effective Ansible playbook. Use this Ansible Playbook to run against your...

CVE-2026-46300

CVE-KERNEL · Linux Kernel LPE Chain Multi-CVE Local Privilege Escalation chain for Linux kernel vulnerabilities uid=1000 → root via xfrm-ESP, RxRPC, or Fragnesia page-cache write Overview CVE-KERNEL is a Python-based Local Privilege Escalation LPE tool that chains multiple Linux kernel CVEs to...

Fragnesia

Local Privilege Escalation CVE-2026-46300 Usage: CGOENABLED=0 go build -ldflags="-s -w" -o fragnesia . ./fragnesia Affected Versions: Ubuntu 16.04 LTS RHEL 8,9 Rocky Linux 8,9,10 CentOS Stream 8,9,10 Oracle Linux 8,9 openEuler 20.03-LTS-SP4 22.03-LTS-SP3 22.03-LTS-SP4 24.03-LTS 24.03-LTS-SP1...

Ubuntu 14.04 LTS : Linux kernel (Azure) vulnerabilities (USN-8635-1)

"The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8635-1 advisory. Siebe Devroe, Hlose Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in...

Rocky Linux 10.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_19569)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619569 advisory. kernel: net: afcan: do not leave a dangling sk pointer in cancreate CVE-2024-56603 kernel: net/sched: Make cakeenqueue return NETXMITCN when past...

Rocky Linux 8 [CIQ] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (crlsa-2026_19666)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619666 advisory. kernel: Fragnesia is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation LPE vulnerability in the Linux kernel...

Rocky Linux 8 [CIQ] Security Update: kernel-rt-debug-debuginfo / kernel-rt-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_19664)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619664 advisory. kernel: Fragnesia is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation LPE vulnerability in the Linux kernel...

SUSE CVE-2026-89487

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

Linux Distros Unpatched Vulnerability : CVE-2026-89487

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message users...

AZL-100568 CVE-2026-89487 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

EUVD-2026-76393

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

PT-2026-96497

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skb tx error a packet we are about to drop queue userspace packet borrows the packet skb -- it only copies it into a private netlink message user skb and does not own it; on return do execute actions keeps...

CVE-2026-89487: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

USN-8548-2: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8530-2 linux-aws-hwe vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8530-2: Linux kernel (HWE) vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8635-1 linux-azure vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8615-2: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8615-2 linux-raspi, linux-raspi-5.4 vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...