SB2016120506 - Fedora 25 update for kernel

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Main Vulnerability Database SB2016120506

SB2016120506 - Fedora 25 update for kernel

Published: December 5, 2016 Updated: April 24, 2025

Security Bulletin ID SB2016120506
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 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2016-9777)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an out-of-bounds read error within the ioapic_read_indirect() function in arch/x86/kvm/ioapic.c. A local user can escalate privileges on the system.


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

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.


3) Out-of-bounds read (CVE-ID: CVE-2016-9755)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to an out-of-bounds read error within the ipv6_defrag() function in net/ipv6/netfilter/nf_defrag_ipv6_hooks.c, within the nf_ct_frag6_gather() function in net/ipv6/netfilter/nf_conntrack_reasm.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.

References