PT-2015-1942 · Qemu Team+6 · Qemu+6

Matt Tait · Published 2015-06-17 · Updated 2023-02-13 · CVE-2015-3214

Positive Technologies (AI Summary)

CVSS v2.0

6.9

Medium

Base vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions QEMU versions prior to 2.3.1 Linux kernel versions prior to 2.6.33

Description The issue is caused by a buffer overflow in the pit ioport read function of the QEMU emulator, which does not properly distinguish between read lengths and write lengths. This could allow a local attacker to execute arbitrary code on the host operating system by triggering the use of an invalid index. The vulnerability can be exploited by guest OS users, potentially leading to the execution of arbitrary code on the host OS.

Recommendations For QEMU versions prior to 2.3.1, update to version 2.3.1 or later to resolve the issue. For Linux kernel versions prior to 2.6.33, update to version 2.6.33 or later to resolve the issue. As a temporary workaround, consider restricting access to virtual machines hosted on affected systems to trusted users only, and avoid allowing untrusted users to access the virtual machine.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2015-1865

BDU:2015-11288

CESA-2015_1507

CVE-2015-3214

DSA-3348-1

MGASA-2015-0310

RHSA-2015:1507

RHSA-2015:1508

RHSA-2015:1512

RHSA-2015_1507

SUSE-SU-2016:1560-1

SUSE-SU-2016:1698-1

SUSE-SU-2016:1785-1

USN-2692-1

Affected Products

Alt Linux

Centos

Linux Kernel

Qemu

Red Hat

Suse

Ubuntu

References · 130

• 🔥 https://github.com/vincentbernat/cve-2015-3456 · Exploit
• 🔥 https://exploit-db.com/exploits/37990 · Exploit
• https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924 · Patch
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924 · Vendor Advisory
• http://debian.org/security/2015/dsa-3348 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:1560-1 · Vendor Advisory
• http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-5158 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-5154 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2015-0310 · Vendor Advisory
• https://security.gentoo.org/glsa/201510-02 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2015-3214 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-3214 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2015-1507.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:1785-1 · Vendor Advisory