CVE-2016-1576
First published: Mon May 02 2016(Updated: )
Last updated 24 July 2024
Credit: security@ubuntu.com security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | |
| Linux Linux kernel | <=4.5.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
- http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html
- http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/
- http://www.openwall.com/lists/oss-security/2016/02/24/8
- http://www.openwall.com/lists/oss-security/2021/10/18/1
- https://bugs.launchpad.net/bugs/1535150
- https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch
- https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch
- https://launchpad.net/bugs/cve/CVE-2016-1576
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1535150
- https://security-tracker.debian.org/tracker/CVE-2016-1576
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1576
- https://nvd.nist.gov/vuln/detail/CVE-2016-1576
- https://ubuntu.com/security/CVE-2016-1576
Frequently Asked Questions
What is CVE-2016-1576?
CVE-2016-1576 is a vulnerability in the overlayfs implementation in the Linux kernel through version 4.5.2.
How does CVE-2016-1576 allow privilege escalation?
CVE-2016-1576 allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem and executing a crafted setuid program.
What is the severity level of CVE-2016-1576?
The severity level of CVE-2016-1576 is high.
Which versions of the Linux kernel are affected by CVE-2016-1576?
The Linux kernel versions through 4.5.2 are affected by CVE-2016-1576.
How can I mitigate the vulnerability identified as CVE-2016-1576?
To mitigate CVE-2016-1576, update the Linux kernel to version 3.13.0-79.123 or higher.
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