Is there a patch available for EUVD-2026-111919?

Yes, a patch is available for EUVD-2026-111919. Update the affected software to the latest version immediately.

Linux EUVD-2026-111919

| CVE-2026-99167

2026-10-28 Linux

GHSA-5mc4-5p5h-x8vj

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Awaiting Data No severity or threat signals available yet. Label will update when CVSS score is published or threat intelligence arrives.

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AnalysisCVE.org

In the Linux kernel, the following vulnerability has been resolved:

net/sched: fix use-after-free in __tcf_action_put()

__tcf_action_put() decrements the reference count before decrementing the binding count. Another thread can free the action between these operations, causing the binding-count update to access freed memory. KASAN reports it as:

BUG: KASAN: slab-use-after-free in __tcf_action_put+0x327/0x340 Write of size 4 at addr ff11000000d46420 by task tc-put-pause/64

Hold the action IDR mutex across both counter updates and IDR removal, keeping cleanup outside the lock.

Affected VersionsENISA

Linux 4.19

Linux 16af6067392c40e454e49eec834843ab03643d96 <2465d27ef90de9105c2bffb6c35f8ce08918e642

Linux patch: 7.3

Linux 16af6067392c40e454e49eec834843ab03643d96 <7b16eb911091aae237a8673da94e4dfb9cd21d54

Linux 16af6067392c40e454e49eec834843ab03643d96 <2e012e431aa271ef3c84206f48854f539c03bff0

Linux patch: 7.2.13

Linux patch: 0

Linux patch: 6.18.59

Affected Packages

euvd linux no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Exploit and PoC references, threat intelligence from 22 sources

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Lifecycle Timeline

Patch available

Oct 28, 2026 - 11:02 EUVD

CVE Published

Oct 28, 2026 - 10:35 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

Data Quality

2 sources

Confidence: Low

EUVD

CVE.org

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity Not scored yet

CISA KEV No

Public POC No

EPSS N/A

Patch available Yes

Active threat No

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Awaiting Data No severity or threat signals available yet. Label will update when CVSS score is published or threat intelligence arrives.

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.