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CRITICAL
Vulnerabilities

CVE-2026-53362: Linux Kernel IPv6 Privilege Escalation

CISA adds CVE-2026-53362 to KEV, confirming active exploitation of a Linux Kernel privilege escalation vulnerability via IPv6. Patch now.

Runtime Rebel Intel
5 min read · Sep 1, 2026
CVE-2026-53264: Linux Traffic-Control Bug Escalates to Root Access
HIGH
Vulnerabilities

CVE-2026-53264: Linux Traffic-Control Bug Escalates to Root Access

A use-after-free race condition in the Linux kernel traffic-control subsystem, CVE-2026-53264, allows local privilege escalation to root on CentOS Stream 9.

Runtime Rebel Intel
4 min read · Jul 28, 2026
HIGH
Threat Intel

Multi-Threat Brief: AI Malware, Zimbra Exploits, Linux Kernel Flaws

Analysis of recent threats including DolphinX AI malware, state-sponsored Zimbra exploits, Siemens industrial switch vulnerabilities, and 400 Linux kernel flaws.

Runtime Rebel Intel
5 min read · Jul 24, 2026
HIGH
Vulnerabilities

CVE-2026-64600: Local Root via Linux XFS Race Condition — Patch Now

A nine-year-old race condition in the Linux kernel XFS filesystem, known as RefluXFS, allows local attackers to achieve root privileges via file overwrites.

Runtime Rebel Intel
4 min read · Jul 23, 2026
CVE-2026-64600: RefluXFS Race Condition Grants Root on RHEL Systems
HIGH
Vulnerabilities

CVE-2026-64600: RefluXFS Race Condition Grants Root on RHEL Systems

Technical analysis of CVE-2026-64600, a nine-year-old race condition in the Linux XFS driver allowing local privilege escalation on RHEL and Amazon Linux.

Runtime Rebel Intel
4 min read · Jul 23, 2026
CVE-2026-43499: GhostLock Linux Kernel Privilege Escalation Analysis
HIGH
Vulnerabilities

CVE-2026-43499: GhostLock Linux Kernel Privilege Escalation Analysis

A 15-year-old Linux kernel flaw, CVE-2026-43499 (GhostLock), enables local root access and container escape across major distributions since 2011.

Runtime Rebel Intel
4 min read · Jul 8, 2026

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HIGH
Vulnerabilities

Linux Kernel Januscape Flaw: VM Escape on KVM Hypervisors

Analysis of the 16-year-old Januscape flaw affecting Linux KVM hypervisors, enabling VM escape and potential host code execution on Intel and AMD systems.

Runtime Rebel Intel
4 min read · Jul 7, 2026
CVE-2026-46242: Linux Kernel Bad Epoll Flaw Grants Root on Servers, Android
HIGH
Vulnerabilities

CVE-2026-46242: Linux Kernel Bad Epoll Flaw Grants Root on Servers, Android

Critical Linux kernel 'Bad Epoll' flaw (CVE-2026-46242) allows unprivileged users to gain root access on servers, desktops, and Android devices. Patch now.

Runtime Rebel Intel
4 min read · Jul 3, 2026
HIGH
Vulnerabilities

DirtyClone: Linux Kernel Privilege Escalation via Page Cache Manipulation

DirtyClone, a variant of DirtyFrag, allows unprivileged local users to exploit a Linux kernel flaw to manipulate the page cache and achieve root privileges.

Runtime Rebel Intel
5 min read · Jun 29, 2026
CVE-2026-46331: Linux pedit COW Exploit Grants Root Access
HIGH
Vulnerabilities

CVE-2026-46331: Linux pedit COW Exploit Grants Root Access

A critical Linux kernel flaw, 'pedit COW' (CVE-2026-46331), allows local unprivileged users to gain root access via an out-of-bounds write. Public exploits exist.

Runtime Rebel Intel
4 min read · Jun 26, 2026
CVE-2026-43503: Linux Kernel DirtyClone Flaw Grants Root Access
HIGH
Vulnerabilities

CVE-2026-43503: Linux Kernel DirtyClone Flaw Grants Root Access

DirtyClone (CVE-2026-43503) is a Linux kernel privilege escalation allowing local users to gain root access via cloned network packets. Patch now.

Runtime Rebel Intel
4 min read · Jun 26, 2026
CVE-2026-23111: Linux Kernel nf_tables LPE and Container Escape
HIGH
Vulnerabilities

CVE-2026-23111: Linux Kernel nf_tables LPE and Container Escape

A one-character use-after-free vulnerability in the Linux kernel nf_tables subsystem allows local root access and container escapes. Patch immediately.

Runtime Rebel Intel
4 min read · Jun 8, 2026
HIGH
Vulnerabilities

Android and Linux Kernel Exploitation: CVE-2024-36971 and CVE-2024-21626

CISA adds Android CVE-2024-36971 and Linux CVE-2024-21626 to its KEV catalog following reports of active exploitation by sophisticated threat actors.

Runtime Rebel Intel
4 min read · Jun 3, 2026
HIGH
Vulnerabilities

CISA KEV Update: Active Exploitation of CVE-2022-0492 and CVE-2025-48595

CISA adds Linux Kernel and Android Framework vulnerabilities to its Known Exploited Vulnerabilities catalog. Prioritize patching CVE-2022-0492 and CVE-2025-48595.

Runtime Rebel Intel
3 min read · Jun 2, 2026
HIGH
Vulnerabilities

CVE-2024-52336: How CIFSwitch Grants Root Access on Linux Systems

The CVE-2024-52336 vulnerability, known as CIFSwitch, allows local privilege escalation to root by abusing CIFS key requests in the Linux kernel.

Runtime Rebel Intel
4 min read · May 30, 2026
CVE-2026-46333: Nine-Year-Old Linux Kernel Privilege Escalation Flaw
MEDIUM
Vulnerabilities

CVE-2026-46333: Nine-Year-Old Linux Kernel Privilege Escalation Flaw

A long-standing Linux kernel flaw, CVE-2026-46333, allows local users to achieve root access and disclose sensitive data on major Linux distributions.

Runtime Rebel Intel
4 min read · May 21, 2026
CVE-2026-31635: DirtyDecrypt Linux Kernel LPE PoC Released
HIGH
Vulnerabilities

CVE-2026-31635: DirtyDecrypt Linux Kernel LPE PoC Released

Exploit code for DirtyDecrypt (CVE-2026-31635) has been released, allowing local privilege escalation via vulnerabilities in the Linux kernel crypto API.

Runtime Rebel Intel
4 min read · May 19, 2026
HIGH
Vulnerabilities

DirtyDecrypt: How Attackers Exploit Linux Kernel rxgk for Root Access

Learn about DirtyDecrypt, a local privilege escalation vulnerability in the Linux rxgk module. Discover how to detect and mitigate this root access threat.

Runtime Rebel Intel
3 min read · May 18, 2026
HIGH
Vulnerabilities

CVE-2026-46300: Fragnesia Flaw Enables Linux Root Privilege Escalation

Security researchers identify Fragnesia (CVE-2026-46300), a Linux kernel vulnerability allowing local attackers to gain root access via packet fragmentation.

Runtime Rebel Intel
3 min read · May 14, 2026
HIGH
Vulnerabilities

CVE-2026-46300: Linux Fragnesia Kernel Privilege Escalation Analysis

Critical analysis of the Fragnesia Linux kernel vulnerability (CVE-2026-46300), enabling local root access via IP fragmentation flaws. Includes mitigation steps.

Runtime Rebel Intel
4 min read · May 14, 2026
CVE-2026-46300: Fragnesia Linux Kernel LPE Grants Root Access
HIGH
Vulnerabilities

CVE-2026-46300: Fragnesia Linux Kernel LPE Grants Root Access

A technical analysis of CVE-2026-46300, a Linux kernel LPE vulnerability dubbed Fragnesia that enables root access via XFRM page cache corruption.

Runtime Rebel Intel
4 min read · May 14, 2026
HIGH
Vulnerabilities

CVE-2026-31431: Analyzing the Copy.Fail Linux Kernel LPE

Technical analysis of CVE-2026-31431 (Copy.Fail), a critical Linux kernel vulnerability enabling local privilege escalation via page cache corruption.

Runtime Rebel Intel
4 min read · May 12, 2026
CVE-2024-1086: Dirty Frag Local Privilege Escalation in Linux Kernels
HIGH
Vulnerabilities

CVE-2024-1086: Dirty Frag Local Privilege Escalation in Linux Kernels

Analysis of CVE-2024-1086 (Dirty Frag), a netfilter vulnerability enabling local privilege escalation to root across major enterprise Linux distributions.

Runtime Rebel Intel
3 min read · May 11, 2026
HIGH
Vulnerabilities

CVE-2026-43284: 'Dirty Frag' Linux Vulnerability Exploited — Patch Now

Analysis of the 'Dirty Frag' (Copy Fail 2) Linux kernel vulnerabilities CVE-2026-43284 and CVE-2026-43500, which enable potential remote code execution.

Runtime Rebel Intel
4 min read · May 11, 2026