CVE-2025-53068

Local denial of service via undisclosed kernel flaw

Published Oct 21, 2025 · Updated Oct 21, 2025

Denial of service in the Oracle Solaris 11 kernel allows local users with low privileges to cause a hang or frequently repeatable crash. Oracle has not disclosed the affected kernel locus or the operation it performs incorrectly on attacker-controlled input. Exploitation requires a low-privileged login on the Solaris host and affects availability without reported data disclosure or modification.

CVSS severity6.5
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in the Oracle Solaris 11 kernel allows local users with low privileges to cause a hang or frequently repeatable crash. Oracle has not disclosed the affected kernel locus or the operation it performs incorrectly on attacker-controlled input. Exploitation requires a low-privileged login on the Solaris host and affects availability without reported data disclosure or modification.

The record

CVE
CVE-2025-53068
Published
Oct 21, 2025
Updated
Oct 21, 2025
Vendor
Oracle
Product
Oracle Solaris
Classifications
CWE-400, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=11

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Oracle · Oracle Solarisversion=11

Published CVSS scores

6.5OracleCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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