CVE-2026-6424 - Vulnerability Details

- Use-after-free vulnerability in ESET security products for Linux

Description

Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system

Published: 2026-07-16

Score: 6.7 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ESET, spol. s.r.o.

ESET Endpoint Antivirus for Linux

unaffected

Version	Status	Constraints
`13.1`	affected	≤ 13.1.3.0
`13.0`	affected	≤ 13.0.3.0
`12.2`	affected	≤ 12.2.8.0
`12.1`	affected	≤ 12.1.1.0
`12.0`	affected	≤ 12.0.13.0
`13.2.3.0`	unaffected	—

ESET, spol. s.r.o.

ESET Server Security for Linux

unaffected

Version	Status	Constraints
`13.1`	affected	≤ 13.1.116.0
`13.0`	affected	≤ 13.0.34.0
`12.2`	affected	≤ 12.2.72.0
`12.1`	affected	≤ 12.1.406.0
`12.0`	affected	≤ 12.0.287.0
`13.2.53.0`	unaffected	—

No data.

Vendor Product Confidence Versions

Eset

Endpoint Antivirus

82%

Version	Status	Scheme	Platform
`[13.1,13.1.3.0]`	affected	generic	['linux']
`[13.1.5.0,*]`	unaffected	generic	['linux']
`[13.0,13.0.3.0]`	affected	generic	['linux']
`[13.0.5.0,*]`	unaffected	generic	['linux']
`[12.2,12.2.8.0]`	affected	generic	['linux']
`[12.2.9.0,*]`	unaffected	generic	['linux']
`[12.1,12.1.1.0]`	affected	generic	['linux']
`[12.1.2.0,*]`	unaffected	generic	['linux']
`[12.0,12.0.13.0]`	affected	generic	['linux']
`[12.0.14.0,*]`	unaffected	generic	['linux']
`[13.2.3.0,*]`	unaffected	generic	['linux']

Eset

Server Security

80%

Version	Status	Scheme	Platform
`[13.1,13.1.116.0]`	affected	generic	['linux']
`[13.1.118.0,*]`	unaffected	generic	['linux']
`[13.0,13.0.34.0]`	affected	generic	['linux']
`[13.0.36.0,*]`	unaffected	generic	['linux']
`[12.2,12.2.72.0]`	affected	generic	['linux']
`[12.2.73.0,*]`	unaffected	generic	['linux']
`[12.1,12.1.406.0]`	affected	generic	['linux']
`[12.1.407.0,*]`	unaffected	generic	['linux']
`[12.0,12.0.287.0]`	affected	generic	['linux']
`[12.0.292.0,*]`	unaffected	generic	['linux']
`[13.2.53.0,*]`	unaffected	generic	['linux']

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00112.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://support.eset.com/en/ca8972-eset-customer-advisory-use-after-free-vulnerability-in-eset-security-products-for-linux-fixed

History

Thu, 30 Jul 2026 20:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Eset Eset endpoint Antivirus Eset server Security
Vendors & Products		Eset Eset endpoint Antivirus Eset server Security

Thu, 16 Jul 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 16 Jul 2026 08:45:00 +0000

Type	Values Removed	Values Added
Description		Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system
Title		Use-after-free vulnerability in ESET security products for Linux
Weaknesses		CWE-416
References		https://support.eset.com/en/ca8972-eset-customer-advisory-use-after-free-vulnerability-in-eset-security-products-for-linux-fixed
Metrics		cvssV4_0 `{'score': 6.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}`

Subscriptions

Eset Endpoint Antivirus Server Security

MITRE

Status: PUBLISHED

Assigner: ESET

Published: 2026-07-16T08:28:43.649Z

Updated: 2026-07-16T12:17:48.734Z

Reserved: 2026-04-16T08:13:25.859Z

Link: CVE-2026-6424

Vulnrichment

Updated: 2026-07-16T12:17:35.691Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-07-30T20:28:22Z

Weaknesses

CWE-416
Use After Free

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Exploitation none

Automatable no

Technical Impact partial

Subscriptions

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