Input validation error in Linux kernel - CVE-2015-5706

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Main Vulnerability Database Vulnerabilities #VU40660

Input validation error in Linux kernel - CVE-2015-5706

Published: August 31, 2015 / Updated: August 9, 2020


Vulnerability identifier: #VU40660
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-5706
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows local users to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-utopic (Ubuntu package)
linux-lts-vivid (Ubuntu package)

How to mitigate CVE-2015-5706

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

linux (Ubuntu package) - update to 3.19.0-22.22
linux-lts-utopic (Ubuntu package) - update to 3.16.0-43.58~14.04.1
linux-lts-vivid (Ubuntu package) - update to 3.19.0-22.22~14.04.1

External References

Related Security Bulletins