Login
Newsletter
Werbung

Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-2442-1
Distribution: Ubuntu
Plattformen: Ubuntu 10.04 LTS
Datum: Fr, 12. Dezember 2014, 11:29
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3673
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3687
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3688
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7841
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8134
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8709
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8884
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9090
Applikationen: Linux

Originalnachricht

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--===============6726653902274887438==
Content-Type: multipart/signed; micalg=pgp-sha512;
protocol="application/pgp-signature";
boundary="b9nCjOlRBTqODhKeOS80OkBOmdteE6CcN"

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--b9nCjOlRBTqODhKeOS80OkBOmdteE6CcN
Content-Type: text/plain; charset=utf-
Content-Transfer-Encoding: quoted-printable

==========================================================================
Ubuntu Security Notice USN-2442-1
December 12, 2014

linux-ec2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-ec2: Linux kernel for EC2

Details:

An information leak in the Linux kernel was discovered that could leak the
high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine
(KVM) paravirt guests. A user in the guest OS could exploit this leak to
obtain information that could potentially be used to aid in attacking the
kernel. (CVE-2014-8134)

A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control
Transmission Protocol) implementation in the Linux kernel was discovered. A
remote attacker could exploit this flaw to cause a denial of service
(system crash). (CVE-2014-3673)

A flaw in the handling of duplicate ASCONF chunks by SCTP (Stream Control
Transmission Protocol) implementation in the Linux kernel was discovered. A
remote attacker could exploit this flaw to cause a denial of service
(panic). (CVE-2014-3687)

It was discovered that excessive queuing by SCTP (Stream Control
Transmission Protocol) implementation in the Linux kernel can cause memory
pressure. A remote attacker could exploit this flaw to cause a denial of
service. (CVE-2014-3688)

A null pointer dereference flaw was discovered in the the Linux kernel's
SCTP implementation when ASCONF is used. A remote attacker could exploit
this flaw to cause a denial of service (system crash) via a malformed INIT
chunk. (CVE-2014-7841)

Jouni Malinen reported a flaw in the handling of fragmentation in the
mac8Linux subsystem of the kernel. A remote attacker could exploit this
flaw to obtain potential sensitive cleartext information by reading
packets. (CVE-2014-8709)

A stack buffer overflow was discovered in the ioctl command handling for
the Technotrend/Hauppauge USB DEC devices driver. A local user could
exploit this flaw to cause a denial of service (system crash) or possibly
gain privileges. (CVE-2014-8884)

Andy Lutomirski discovered that the Linux kernel does not properly handle
faults associated with the Stack Segment (SS) register on the x86
architecture. A local attacker could exploit this flaw to cause a denial of
service (panic). (CVE-2014-9090)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.04 LTS:
linux-image-2.6.32-374-ec2 2.6.32-374.91

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-2442-1
CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7841,
CVE-2014-8134, CVE-2014-8709, CVE-2014-8884, CVE-2014-9090

Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-374.91



--b9nCjOlRBTqODhKeOS80OkBOmdteE6CcN
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=PgKJ
-----END PGP SIGNATURE-----

--b9nCjOlRBTqODhKeOS80OkBOmdteE6CcN--


--===============6726653902274887438==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

--
ubuntu-security-announce mailing list
ubuntu-security-announce@lists.ubuntu.com
Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce

--===============6726653902274887438==--
Pro-Linux
Pro-Linux @Facebook
Neue Nachrichten
Werbung