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CVE-2025-6297— dpkg-deb: Fix cleanup for control member with restricted directories

Quick assessment

Affected
Debian dpkg
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

dpkg-deb是Debian社区的一个Linux中的软件包管理器。 dpkg-deb存在安全漏洞，该漏洞源于目录权限清理不当，可能导致拒绝服务攻击。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.41% · P33

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
Debian dpkg < ed6bbd445dd8800308c67236ba35d08004c98e82 affected
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I. Basic Information for CVE-2025-6297

Vulnerability Information
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Vulnerability Title
dpkg-deb: Fix cleanup for control member with restricted directories
Source: CVE Program / CVE List V5
Vulnerability Description
It was discovered that dpkg-deb does not properly sanitize directory permissions when extracting a control member into a temporary directory, which is documented as being a safe operation even on untrusted data. This may result in leaving temporary files behind on cleanup. Given automated and repeated execution of dpkg-deb commands on adversarial .deb packages or with well compressible files, placed inside a directory with permissions not allowing removal by a non-root user, this can end up in a DoS scenario due to causing disk quota exhaustion or disk full conditions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
dpkg-deb 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dpkg-deb是Debian社区的一个Linux中的软件包管理器。 dpkg-deb存在安全漏洞，该漏洞源于目录权限清理不当，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Debian dpkg 0 ~ ed6bbd445dd8800308c67236ba35d08004c98e82 -

II. Public POCs for CVE-2025-6297

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III. Intelligence Information for CVE-2025-6297

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IV. Related Vulnerabilities

Same product: dpkg
Same vendor: Debian

V. Comments for CVE-2025-6297

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