PT-2016-4868 · Linux+2 · Linux Kernel+2

Halfdog · Published 2016-02-22 · Updated 2022-04-18 · CVE-2016-1576

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.5.2

Description The issue is related to the overlayfs implementation in the Linux kernel, which does not properly restrict the mount namespace. This allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem and then executing a crafted setuid program.

Recommendations For Linux kernel versions prior to 4.5.2, update to a version that contains the fix for this issue.

Exploit

Fix

Related Identifiers

ALT-PU-2016-1470

ALT-PU-2017-1330

CVE-2016-1576

USN-2907-1

USN-2907-2

USN-2908-1

USN-2908-2

USN-2908-3

USN-2909-1

USN-2909-2

USN-2910-1

USN-2910-2

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 42

• 🔥 https://exploit-db.com/exploits/41763 · Exploit
• 🔥 http://halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation · Exploit
• https://ubuntu.com/security/CVE-2016-1575 · Vendor Advisory
• https://osv.dev/vulnerability/USN-2909-2 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2909-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-1576 · Security Note
• https://ubuntu.com/security/CVE-2013-4312 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2907-2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-1576 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8569 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8543 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-1576 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2910-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2907-1 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360 · Vendor Advisory