SB2015110207 - Fedora EPEL 7 update for qemu

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Main Vulnerability Database SB2015110207

SB2015110207 - Fedora EPEL 7 update for qemu

Published: November 2, 2015 Updated: April 24, 2025

Security Bulletin ID SB2015110207
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2015-5154)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the IDE subsystem in QEMU, as used in Xen 4.5.x and earlier, when the container has a CDROM drive enabled,. A remote attacker can use unspecified ATAPI commands. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Memory corruption (CVE-ID: CVE-2015-3214)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to memory corruption error within the pit_ioport_read() function in arch/x86/kvm/i8254.c. A local user can execute arbitrary code.


3) Buffer overflow (CVE-ID: CVE-2015-3209)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.


Remediation

Install update from vendor's website.

References