CVE-2015-1328

Public Exploit

Description

The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs is permitted in an arbitrary mount namespace.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 89.28% Top 5%
Vendor Advisory canonical.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html vendor advisory
http://www.securityfocus.com/bid/75206 vdb entry third party advisory
https://www.exploit-db.com/exploits/37292/ exploit
http://www.exploit-db.com/exploits/40688/ vdb entry exploit
https://security-tracker.debian.org/tracker/CVE-2015-1328 third party advisory
http://seclists.org/oss-sec/2015/q2/717 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2015-1328?
CVE-2015-1328 has been scored as a high severity vulnerability.
How to fix CVE-2015-1328?
To fix CVE-2015-1328, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-1328 being actively exploited in the wild?
It is possible that CVE-2015-1328 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~89% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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