full-disclosure - [SECURITY] [DSA 2662-1] 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 for Android: free password hash cracker in your pocket

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

Message-ID: <87ehe7vrwz.fsf@mid.deneb.enyo.de>
Date: Thu, 18 Apr 2013 16:23:40 +0200
From: Florian Weimer <fw@...eb.enyo.de>
To: debian-security-announce@...ts.debian.org
Subject: [SECURITY] [DSA 2662-1] xen security update

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

- -------------------------------------------------------------------------
Debian Security Advisory DSA-2662-1                   security@...ian.org
http://www.debian.org/security/                      Salvatore Bonaccorso
April 18, 2013                         http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : xen
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2013-1917 CVE-2013-1919

Multiple vulnerabilities have been discovered in the Xen hypervisor. The
Common Vulnerabilities and Exposures project identifies the following
problems:

CVE-2013-1917
    The SYSENTER instruction can be used by PV guests to accelerate
    system call processing. This instruction, however, leaves the EFLAGS
    register mostly unmodified. This can be used by malicious or buggy
    user space to cause the entire host to crash.

CVE-2013-1919
    Various IRQ related access control operations may not have the
    intended effect, potentially permitting a stub domain to grant its
    client domain access to an IRQ it doesn't have access to itself.
    This can be used by malicious or buggy stub domains kernels to mount
    a denial of service attack possibly affecting the whole system.

For the stable distribution (squeeze), these problems have been fixed in
version 4.0.1-5.9.

For the testing distribution (wheezy) and the unstable distribution
(sid), these problems will be fixed soon.

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 v1.4.10 (GNU/Linux)

iQEcBAEBAgAGBQJRcAS2AAoJEL97/wQC1SS+Iv8H/jgF59tOvl0f5ybpS1nOjnim
ISDrxnkODEyfDlA9org+o1M61gTPyU8bT0QvjjUfeVKh5y0FewmrVoFYdlE9slI2
Q4vOwf4paQd0D/VcQWVLnTRNoHALIFq/V3WXgpo7Fk7ffXZkjQgdOE7MviX8SfLh
gvl6hobIuVeEiDMWROkESpim5UjxX5Xh6X4g9C1a3o82nCxKyv55/SWz4lpCqbxV
CNyKt3Qo6IdbHkKVFSasYZhb1oPtiGAMuIFyOhmRXmpZRSyfomuJI4HJlUgs0rZ3
j4ki0LjETq3DfwY5eP2gDPaE2aPc5TgUJC9kmOtUviRFIAWjU0LFwN/y3hZVRVg=
=7t1v
-----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/