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
Link | Resource |
---|---|
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 |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: canonical
Published: 2016-05-02T10:00:00
Updated: 2021-10-18T20:06:08
Reserved: 2016-01-12T00:00:00
Link: CVE-2016-1575
JSON object: View
NVD Information
Status : Analyzed
Published: 2016-05-02T10:59:23.237
Modified: 2022-04-18T18:01:09.413
Link: CVE-2016-1575
JSON object: View
Redhat Information
No data.
CWE