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Debian: Security update for qemu-kvm

Two vulnerabilities have been discovered in KVM, a solution for full virtualization on x86 hardware. Setting the VNC password to an empty string silently disabled all authentication. The virtio-blk driver performed insufficient validation of read/write I/O from the guest instance, which could lead to denial of service or privilege escalation. Updated packages are available from security.debian.org.

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Debian Security Advisory DSA-2230-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
May 01, 2011                           http://www.debian.org/security/faq
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Package        : qemu-kvm
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-0011 CVE-2011-1750 
Debian Bug     : 611134 624177

Two vulnerabilities have been discovered in KVM, a solution for full 
virtualization on x86 hardware:

CVE-2011-0011

  Setting the VNC password to an empty string silently disabled
  all authentication.

CVE-2011-1750

  The virtio-blk driver performed insufficient validation of
  read/write I/O from the guest instance, which could lead to
  denial of service or privilege escalation.


The oldstable distribution (lenny) is not affected by this problem.

For the stable distribution (squeeze), this problem has been fixed in
version 0.12.5+dfsg-5+squeeze1.

The unstable distribution (sid) will be fixed soon.

We recommend that you upgrade your qemu-kvm packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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