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Linux

20 articles

Information Security Buzz CVE Linux May 5

Copy Fail lands in CISA KEV as actively exploited Linux flaw threatens widespread privilege escalation

The Cybersecurity and Infrastructure Security Agency (CISA) has added another Linux kernel vulnerability, CVE-2026-31431, also known as Copy Fail, to the Kno...

T1548 1 IOC

Information Security Buzz →

Cyberscoop General Linux May 4

‘Copy Fail’ is a real Linux security crisis wrapped in AI slop

The actively exploited defect could affect every mainstream Linux distribution built since 2017, but some researchers found Theori’s AI-generated disclosure ...

Cyberscoop →

Exploit Database Vulnerability Disclosure Linux May 4

[local] Linux Kernel proc_readdir_de() 6.18-rc5 - Local Privilege Escalation

Linux Kernel proc_readdir_de() 6.

T1548 T1068

Exploit Database →

Exploit Database Vulnerability Disclosure Linux May 4

[local] Linux nf_tables 6.19.3 - Local Privilege Escalation

Linux nf_tables 6.19.

T1548 T1068

Exploit Database →

The Hacker News CVE Linux May 3

CISA Adds Actively Exploited Linux Root Access Bug CVE-2026-31431 to KEV

The U.S.

T1548 T1068 1 IOC

The Hacker News →

CISA Advisories CVE Linux May 1

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-31431 Linux Ker...

1 IOC

CISA Advisories →

Infosecurity Magazine Zero-Day Linux May 1

Nine-Year-Old Zero-Day Flaw in Linux Kernel Discovered by AI-Equipped Security Researcher

A researcher from offensive security firm Theori has found a nine-year-old flaw in the Linux kernel with the help of AI

Infosecurity Magazine →

Tenable Blog CVE Linux Apr 30

Copy Fail (CVE-2026-31431): Frequently asked questions about Linux kernel privilege escalation vulnerability

A flaw in the Linux kernel present since 2017 allows a local user to gain root access on virtually every major Linux distribution. A public exploit is availa...

T1548 T1068 1 IOC

Tenable Blog →

The Hacker News CVE Linux Apr 30

New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions

Cybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root....

T1548 T1068 2 IOCs

The Hacker News →

Exploit Database Vulnerability Disclosure Linux Apr 22

[local] Throttlestop Kernel Driver - Kernel Out-of-Bounds Write Privilege Escalation

Throttlestop Kernel Driver - Kernel Out-of-Bounds Write Privilege Escalation

T1548

Exploit Database →

Zero Day Initiative CVE Linux Apr 15

ZDI-26-289: Linux Kernel ETS Scheduler Race Condition Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to exec...

T1548 T1068 1 IOC

Zero Day Initiative →

Elastic Security Labs Malware Linux Apr 2

Hooked on Linux: Rootkit Detection Engineering

In this second part of a two-part series, we explore Linux rootkit detection engineering, focusing on the limitations of static detection reliance, and the i...

Elastic Security Labs →

Zero Day Initiative CVE Linux Mar 31

ZDI-26-250: Linux Kernel Analog Device Driver Improper Validation of Array Index Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to exec...

T1548 T1068 1 IOC

Zero Day Initiative →

Zero Day Initiative CVE Linux Mar 30

ZDI-26-238: Linux Kernel AoE Driver Use-After-Free Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to exec...

T1548 T1068 1 IOC

Zero Day Initiative →

Infosecurity Magazine CVE Linux Mar 18

New Ubuntu Flaw Enables Local Attackers to Gain Root Access

CVE-2026-3888 Ubuntu snap flaw lets local users escalate to root via timing-based exploit

1 IOC

Infosecurity Magazine →

Zero Day Initiative CVE Linux Mar 16

ZDI-26-193: (Pwn2Own) Linux Kernel nf_tables_newset Out-Of-Bounds Write Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of Linux Kernel. An attacker must first obtain the abil...

1 IOC

Zero Day Initiative →

Zero Day Initiative CVE Linux Mar 16

ZDI-26-191: (Pwn2Own) Linux Kernel nf_tables Use-After-Free Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to exec...

T1548 1 IOC

Zero Day Initiative →

Trail of Bits General Linux Feb 25

mquire: Linux memory forensics without external dependencies

If you’ve ever done Linux memory forensics, you know the frustration: without debug symbols that match the exact kernel version, you’re stuck. These symbols ...

T1598

Trail of Bits →

Zero Day Initiative CVE Linux Docker Feb 25

ZDI-26-125: Docker Desktop grpcfuse Kernel Module Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of Docker Desktop. An attacker must first obtain the ab...

1 IOC

Zero Day Initiative →

Google Project Zero Vulnerability Disclosure Linux Jan 14

A 0-click exploit chain for the Pixel 9 Part 2: Cracking the Sandbox with a Big Wave

With the advent of a potential Dolby Unified Decoder RCE exploit, it seemed prudent to see what kind of Linux kernel drivers might be accessible from the res...

T1190

Google Project Zero →

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