full-disclosure - [SECURITY] [DSA 2531-1] xen security update

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20120818154642.16CD114A1BF@nube.usla.org.ar>
Date: Sat, 18 Aug 2012 12:46:42 -0300 (ART)
From: Luciano Bello <luciano@...ian.org>
To: debian-security-announce@...ts.debian.org
Subject: [SECURITY] [DSA 2531-1] xen security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- -------------------------------------------------------------------------
Debian Security Advisory DSA-2531-1                   security@...ian.org
http://www.debian.org/security/                             Luciano Bello
August 18, 2012                        http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : xen
Vulnerability  : Denial of Service
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2012-3432 CVE-2012-3433
Debian Bug     : 683279

Several denial-of-service vulnerabilities have been discovered in Xen,
the popular virtualization software. The Common Vulnerabilities and 
Exposures project identifies the following issues:

CVE-2012-3432

 Guest mode unprivileged code, which has been granted the privilege to 
 access MMIO regions, may leverage that access to crash the whole guest.
 Since this be used to crash a client from within, this vulnerability is
 consider with low impact.

CVE-2012-3433

 A guest kernel can cause the host to become unresponsive for a period
 of time, potentially leading to a DoS. Since an attacker with full
 control in the guest can impact on the host, this vulnerability is
 consider with high impact.

For the stable distribution (squeeze), this problem has been fixed in
version 4.0.1-5.3.

For the unstable distribution (sid), this problem has been fixed in
version 4.1.3-1.

We recommend that you upgrade your xen 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@...ts.debian.org
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)

iEYEARECAAYFAlAvuLsACgkQQWTRs4lLtHn8CgCfWnIGc4IXpRIZHXy33ffHDI9r
kpIAnjJG3/PVtN3/PWWm5rzGAmfh4Wu5
=6TxK
-----END PGP SIGNATURE-----

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/