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Analyze » Kernel Foundation - Master Linux Kernel & LDD » DOCLIN1790346460

Incident Score: Analysis & Impact (DOCLIN1790346460)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-5
Company Score Before Incident750 / 1000
Company Score After Incident745 / 1000
Company LinkView Kernel Foundation - Master Linux Kernel & LDD Profile
INCIDENT NUMBERDOCLIN1790346460
Type of Cyber IncidentVulnerability
ATTACK VECTORLocal
DATA EXPOSEDNA
INCIDENT DATE31/12/2024
STATUSResolved

Key Highlights From The Incident Analysis

  • Timeline of Kernel Foundation - Master Linux Kernel & LDD's Vulnerability and lateral movement inside company's environment.
  • Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
  • How Rankiteo’s incident engine converts technical details into a normalized incident score.
  • How this cyber incident impacts Kernel Foundation - Master Linux Kernel & LDD Rankiteo cyber scoring and cyber rating.
  • Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.

Full Incident Analysis Transcript

In this Rankiteo incident briefing, we review the Kernel Foundation - Master Linux Kernel & LDD breach identified under incident ID DOCLIN1790346460.

The analysis begins with a detailed overview of Kernel Foundation - Master Linux Kernel & LDD's information like the linkedin page: https://www.linkedin.com/company/linux-kernel-foundation, the number of followers: 17363, the industry type: Software Development and the number of employees: 15 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 750 and after the incident was 745 with a difference of -5 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on Kernel Foundation - Master Linux Kernel & LDD and their customers.

A newly reported cybersecurity incident, "14-Year-Old Linux Kernel Flaw Grants Root Access via AF_ALG Vulnerability", has drawn attention.

A critical vulnerability in the Linux kernel’s AF_ALG cryptographic socket interface, tracked as CVE-2025-39964, allows unprivileged local users to escalate privileges to root and escape Docker containers.

The disruption is felt across the environment, affecting Linux kernels (2.6.38 and later), Docker containers.

In response, moved swiftly to contain the threat with measures like Patch released to prevent concurrent writers from accessing the same AF_ALG context, and began remediation that includes Kernel updates released by vendors.

The case underscores how Resolved, teams are taking away lessons such as Importance of auditing legacy kernel interfaces for race conditions and concurrency issues; need for timely patching of critical vulnerabilities, and recommending next steps like Apply kernel updates immediately; audit systems for signs of exploitation; restrict container privileges where possible.

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.

MITRE ATT&CK® Correlation Analysis

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with high confidence (95%), supported by evidence indicating cVE-2025-39964 allows unprivileged local users to escalate privileges to root. Under the Defense Evasion tactic, the analysis identified Escape to Host (T1611) with high confidence (90%), supported by evidence indicating flaw enables Docker container escapes, granting root access on the host. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with moderate to high confidence (80%), supported by evidence indicating exploit demonstrated via sendmsg() operations on AF_ALG socket. Under the Initial Access tactic, the analysis identified Exploitation of Remote Services (T1210) with moderate to high confidence (70%), supported by evidence indicating local attack vector; requires access to vulnerable Linux kernel systems. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Privilege Escalation
Exploitation for Privilege Escalation (95%)
Defense Evasion
Escape to Host (90%)
Execution
Exploitation for Client Execution (80%)
Initial Access
Exploitation of Remote Services (70%)

Sources & References