Local privilege escalation in Linux Kernel (Dirty Frag)

Overview A privilege escalation vulnerability, nicknamed "Dirty Frag," has been discovered in the Linux kernel versions 4.10 and later. This vulnerability is a result of chaining together two previously discovered vulnerabilities, xfrm-ESP Page-Cache Write CVE-2026-43284 and the RxRPC Page-Cache...

RHEL 9 : kpatch-patch-5_14_0-284_104_1, kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, and kpatch-patch-5_14_0-284_158_1 (RHSA-2026:19573)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:19573 advisory. This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module ...

RHEL 9 : kpatch-patch-5_14_0-427_100_1, kpatch-patch-5_14_0-427_113_1, kpatch-patch-5_14_0-427_55_1, kpatch-patch-5_14_0-427_68_2, and kpatch-patch-5_14_0-427_84_1 (RHSA-2026:19577)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:19577 advisory. This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module ...

kernel: fs: writeback: fix use-after-free in __mark_inode_dirty()

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

kernel: fs: writeback: fix use-after-free in __mark_inode_dirty()

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

SUSE-SU-2026:1899-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate shared-frag marker...

Exploit for Write-what-where Condition in Linux Linux_Kernel

Dirty-...

Escalamiento-de-Privilegios-usando-el-Kernel-Exploit-Dirty-Cow

🐄 Privilege Escalation — Dirty COW CVE-2016-5195 Entorn...

Critical: Red Hat Security Advisory: kernel security update

An update for kernel is now available for NVIDIA for RHEL 10. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE lin...

SUSE CVE-2026-43486

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

RHEL 10 : kernel (RHSA-2026:17795)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:17795 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Dirty Frag is a new universal Local...

RLSA-2026:16196 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: "Dirty Frag" is a new universal Local Privilege Escalation LPE vulnerability in the Linux kernel CVE-2026-43284 For more details...

RLSA-2026:16195 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...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. 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-2026:16062 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...

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...

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...

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 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 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...