CVEvulnerability
CVE-2016-1575
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-05-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-269
Description
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.
Affected configurations
• linux linux kernel (<= 4.5.2)
• canonical ubuntu core 15.04
• canonical ubuntu linux 12.04
• canonical ubuntu linux 14.04
• canonical ubuntu linux 15.10
• canonical ubuntu linux 16.04
• canonical ubuntu linux 16.10
• canonical ubuntu touch 15.04
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360 Patch, Vendor Advisory
- http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html Third Party Advisory
- http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Exploit, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/24/7 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/10/18/1 Mailing List, Third Party Advisory
- https://launchpad.net/bugs/1534961 Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360 Patch, Vendor Advisory
- http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html Third Party Advisory
- http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Exploit, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/24/7 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/10/18/1 Mailing List, Third Party Advisory
- https://launchpad.net/bugs/1534961 Third Party Advisory