CVE-2025-6297

Disk exhaustion via restrictive extracted directory permissions

Published Jul 1, 2025 · Updated Jul 8, 2026

Resource exhaustion in Debian dpkg allows local users to fill disk space through repeated extraction of crafted packages with dpkg-deb. dpkg-deb preserves restrictive directory permissions from a control member in its temporary extraction tree, preventing cleanup from removing nested files. Reaching disk-quota exhaustion or a full disk requires automated repeated processing of adversarial or highly compressible packages from a directory that a non-root user cannot remove.

CVSS severity8.2
High
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in Debian dpkg allows local users to fill disk space through repeated extraction of crafted packages with dpkg-deb. dpkg-deb preserves restrictive directory permissions from a control member in its temporary extraction tree, preventing cleanup from removing nested files. Reaching disk-quota exhaustion or a full disk requires automated repeated processing of adversarial or highly compressible packages from a directory that a non-root user cannot remove.

The record

CVE
CVE-2025-6297
Published
Jul 1, 2025
Updated
Jul 8, 2026
Vendor
Debian
Product
dpkg
Classifications
CWE-400, CWE-732, T1499.001
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Jul 1, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 8, 2026Record 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=0 <ed6bbd445dd8800308c67236ba35d08004c98e82

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Debian · dpkgversion=0 <ed6bbd445dd8800308c67236ba35d08004c98e82

Published CVSS scores

8.2CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
CWE-732Incorrect Permission Assignment for Critical Resource
T1499.001Endpoint Denial of Service: OS Exhaustion Flood

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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