kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RLSA-2026:16206 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: "Dirty Frag" is a new universal Local Privilege Escalation LPE vulnerability in the Linux kernel CVE-2026-43284 For more details about the security issues, including the impact, a CVSS...

RockyLinux 10 : kernel (RLSA-2026:16062)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:16062 advisory. kernel: Dirty Frag is a new universal Local Privilege Escalation LPE vulnerability in the Linux kernel CVE-2026-43284 Tenable has extracted the preceding...

RockyLinux 8 : kernel-rt (RLSA-2026:16196)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:16196 advisory. kernel: Dirty Frag is a new universal Local Privilege Escalation LPE vulnerability in the Linux kernel CVE-2026-43284 Tenable has extracted the preceding...

RockyLinux 9 : kernel (RLSA-2026:16206)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:16206 advisory. kernel: Dirty Frag is a new universal Local Privilege Escalation LPE vulnerability in the Linux kernel CVE-2026-43284 Tenable has extracted the preceding...

RockyLinux 8 : kernel (RLSA-2026:16195)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:16195 advisory. kernel: Dirty Frag is a new universal Local Privilege Escalation LPE vulnerability in the Linux kernel CVE-2026-43284 Tenable has extracted the preceding...

Exploit for Write-what-where Condition in Linux Linux_Kernel

Dirty Frag: Universal Linux LPE Abstract This document e...

CVE-2026-43486

CVE-2026-43486 – Linux kernel (arm64 contpte) details: The issue arises from contpte_ptep_set_access_flags() using a gathered ptep_get() to detect no-ops, which, in CONT ranges, can misreport a target as updated when a sibling sub-PTE still has PTE_RDONLY or lacks PTE_AF. This can trigger false n...

Fragnesia: Linux Kernel Local Privilege Escalation via ESP-in-TCP

A new page-cache corruption vulnerability in the Dirty Frag family enables unprivileged local attackers to achieve root...

SUSE CVE-2026-43389

In the Linux kernel, the following vulnerability has been resolved: mm: memfdluo: always dirty all folios A dirty folio is one which has been written to. A clean folio is its opposite. Since a clean folio has no user data, it can be freed under memory pressure. memfd preservation with LUO saves t...

kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

PT-2026-40693

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix set access flags no-op check for SMMU/ATS faults contpte ptep set access flags compared the gathered ptep get value against the requested entry to detect no-ops. ptep get ORs AF/dirty from all sub-PTEs in the...

Linux Distros Unpatched Vulnerability : CVE-2026-43389

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm: memfdluo: always dirty all folios A dirty folio is one which has been written to. A clea...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

SUSE-SU-2026:21616-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: Dirty Frag fixes: - CVE-2026-43500: supported.conf: drop rxrpc completely bsc1264450 - CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags bsc1264449...

SUSE-SU-2026:21590-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: Dirty Frag fixes: - CVE-2026-43500: supported.conf: drop rxrpc completely bsc1264450 - CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags bsc1264449...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. 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...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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 th...