CVE-2016-1575
- Source
- https://cve.org/CVERecord?id=CVE-2016-1575
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-1575.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2016-1575
- Downstream
- Withdrawn
- 2026-01-27T04:15:25.306909Z
- Published
- 2016-05-02T10:59:23Z
- Modified
- 2026-01-27T04:15:25.306909Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
- References
-
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
- http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html
- http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/
- http://www.openwall.com/lists/oss-security/2016/02/24/7
- http://www.openwall.com/lists/oss-security/2021/10/18/1
- https://launchpad.net/bugs/1534961