CVE-2026-6424

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

Published Jul 16, 2026 CVSS 4.0 · 6.7 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

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 Versions

Eset

Endpoint Antivirus

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

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']

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

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.

Exploit prediction score: < 1% (0.160% probability within 30 days)

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

Jul 30, 2026 8:45 PM First appearance in the feed. Affected vendors updated View changes

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

Jul 16, 2026 1:30 PM Scoring metrics updated View changes

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

Jul 16, 2026 8:45 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

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'}`