High severity7.8NVD Advisory· Published May 2, 2016· Updated Jun 17, 2026
CVE-2016-1575
CVE-2016-1575
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10- Range: <=4.5.2
- cpe:2.3:o:canonical:ubuntu_core:15.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*+ 4 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_touch:15.04:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/nvdExploitThird Party Advisory
- people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.htmlnvdThird Party Advisory
- www.openwall.com/lists/oss-security/2016/02/24/7nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2021/10/18/1nvdMailing ListThird Party Advisory
- launchpad.net/bugs/1534961nvdThird Party Advisory
News mentions
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