CVE-2015-1328

7.8 highEPSS 38%

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.

Severity

CVSS 3.0

7.8 high

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 38% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-264
Published: 2016-11-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

canonical:ubuntu_linux
linux:linux_kernel

References

http://seclists.org/oss-sec/2015/q2/717
http://www.exploit-db.com/exploits/40688/
http://www.securityfocus.com/bid/75206
https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html
https://security-tracker.debian.org/tracker/CVE-2015-1328

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