High severity7.8NVD Advisory· Published May 2, 2016· Updated Jun 17, 2026
CVE-2016-1576
CVE-2016-1576
Description
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- 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
8- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdMailing ListPatchVendor Advisory
- launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patchnvdMailing ListPatchThird Party Advisory
- launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patchnvdMailing ListPatchThird Party Advisory
- www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/nvdExploitThird Party Advisory
- people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.htmlnvdThird Party Advisory
- www.openwall.com/lists/oss-security/2016/02/24/8nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2021/10/18/1nvdMailing ListThird Party Advisory
- bugs.launchpad.net/bugs/1535150nvdThird Party Advisory
News mentions
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