PT-2016-4077 · Linux+2 · Linux Kernel+2

Published 2016-01-13 · Updated 2017-07-21 · CVE-2015-8966

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 4.4

Description The issue allows local users to gain privileges via a crafted command in an fcntl64 system call, specifically through the (1) F OFD GETLK, (2) F OFD SETLK, or (3) F OFD SETLKW command.

Recommendations For versions prior to 4.4, update to version 4.4 or later to resolve the issue.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

ALT-PU-2016-1018

ALT-PU-2016-1485

CVE-2015-8966

USN-3360-1

USN-3360-2

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 32

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/overlayfs_priv_esc.rb · Exploit
• 🔥 https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-2384 · Exploit
• 🔥 https://github.com/Kagami/docker_cve-2015-2925 · Exploit
• 🔥 https://github.com/whu-enjoy/CVE-2015-8660 · Exploit
• https://github.com/torvalds/linux/commit/76cc404bfdc0d419c720de4daaf2584542734f42 · Patch
• https://ubuntu.com/security/CVE-2015-8962 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3360-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3360-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8955 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-9605 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8964 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-8966 · Security Note
• https://ubuntu.com/security/notices/USN-3360-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-8924 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2015-8966 · Security Note