SB2017011140 - Ubuntu update for linux

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Main Vulnerability Database SB2017011140

SB2017011140 - Ubuntu update for linux

Published: January 11, 2017 Updated: October 31, 2026

Security Bulletin ID SB2017011140
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Information exposure (CVE-ID: CVE-2016-9756)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information exposure error within the em_iret(), em_jmp_far() and em_ret_far() functions in arch/x86/kvm/emulate.c. A local user can gain access to sensitive information.


2) Buffer overflow (CVE-ID: CVE-2016-9793)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to memory corruption within the sock_setsockopt() and max_t() functions in net/core/sock.c. A local user can execute arbitrary code.


3) Use-after-free (CVE-ID: CVE-2016-9794)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to a use-after-free error within the snd_pcm_period_elapsed() function in sound/core/pcm_lib.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.

References