Use-after-free in Linux kernel - CVE-2014-2851

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Main Vulnerability Database Vulnerabilities #VU41820

Use-after-free in Linux kernel - CVE-2014-2851

Published: April 15, 2014 / Updated: August 11, 2020


Vulnerability identifier: #VU41820
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-2851
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing a crafted application that leverages an improperly managed reference counter. A local users can cause a denial of service (use-after-free and system crash) or possibly gain privileges.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
linux-lts-trusty (Ubuntu package)

How to mitigate CVE-2014-2851

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

linux (Ubuntu package) - addressed in versions 3.2.0-63.95, 3.11.0-22.38, 3.13.0-27.50
linux-lts-quantal (Ubuntu package) - update to 3.5.0-51.76~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-41.60~precise1
linux-lts-trusty (Ubuntu package) - update to 3.13.0-30.54~precise2

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins