Public Date:
CWE-228 -> CWE-122
698906: CVE-2011-1750 virtio-blk: heap buffer overflow caused by unaligned requests

The MITRE CVE dictionary describes this issue as:

Multiple heap-based buffer overflows in the virtio-blk driver (hw/virtio-blk.c) in qemu-kvm 0.14.0 allow local guest users to cause a denial of service (guest crash) and possibly gain privileges via a (1) write request to the virtio_blk_handle_write function or (2) read request to the virtio_blk_handle_read function that is not properly aligned.

Find out more about CVE-2011-1750 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect versions of kvm package as shipped with Red Hat Enterprise Linux 5.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 7.4
Base Metrics AV:A/AC:M/Au:S/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (qemu-kvm) RHSA-2011:0534 2011-05-19

Affected Packages State

Platform Package State
Red Hat Enterprise Linux Server EUS (v. 6.0) qemu-kvm Affected