SB2016122026 - Ubuntu update for linux

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Main Vulnerability Database SB2016122026

SB2016122026 - Ubuntu update for linux

Published: December 20, 2016 Updated: October 31, 2026

Security Bulletin ID SB2016122026
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper resource management (CVE-ID: CVE-2016-6213)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause denial of service conditions.

The vulnerability exists due the system does not properly limit the number of mounts created in mount space. A local user can create up to 1048576 mounts and consume all available resources on the system.

Successful exploitation of the vulnerability may allow a local user to cause denial of service (DoS) conditions.


2) Race condition (CVE-ID: CVE-2016-7916)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to a race condition within the environ_read() function in fs/proc/base.c. A local non-authenticated attacker can gain access to sensitive information.


Remediation

Install update from vendor's website.

References