Login
Login-Name Passwort


 
Newsletter
Werbung

Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-3053-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS
Datum: Mi, 10. August 2016, 14:15
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4470
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1237
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4794
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5243

Originalnachricht

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--===============2039166064414969117==
Content-Type: multipart/signed; micalg=pgp-sha512;
protocol="application/pgp-signature";
boundary="J0EkxomH1iDPPvIeadmDouKSfenTQDj0m"

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--J0EkxomH1iDPPvIeadmDouKSfenTQDj0m
Content-Type: multipart/mixed;
boundary="Op5gG1ms1PT4AS8iReOp7dlMCMVRoEF91"
From: john.johansen@canonical.com
Reply-To: security@ubuntu.com
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <e307403c-e215-1046-85a4-076970d5d90e@canonical.com>
Subject: [USN-3053-1] Linux kernel (Vivid HWE) vulnerabilities

--Op5gG1ms1PT4AS8iReOp7dlMCMVRoEF91
Content-Type: text/plain; charset=utf-
Content-Transfer-Encoding: quoted-printable

==========================================================================
Ubuntu Security Notice USN-3053-1
August 10, 2016

linux-lts-vivid vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-lts-vivid: Linux hardware enablement kernel from Vivid for Trusty

Details:

A missing permission check when settings ACLs was discovered in nfsd. A
local user could exploit this flaw to gain access to any file by setting an
ACL. (CVE-2016-1237)

It was discovered that the keyring implementation in the Linux kernel did
not ensure a data structure was initialized before referencing it after an
error condition occurred. A local attacker could use this to cause a denial
of service (system crash). (CVE-2016-4470)

Sasha Levin discovered that a use-after-free existed in the percpu
allocator in the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code with
administrative privileges. (CVE-2016-4794)

Kangjie Lu discovered an information leak in the netlink implementation of
the Linux kernel. A local attacker could use this to obtain sensitive
information from kernel memory. (CVE-2016-5243)

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-3.19.0-66-generic 3.19.0-66.74~14.04.1
linux-image-3.19.0-66-generic-lpae 3.19.0-66.74~14.04.1
linux-image-3.19.0-66-lowlatency 3.19.0-66.74~14.04.1
linux-image-3.19.0-66-powerpc-e500mc 3.19.0-66.74~14.04.1
linux-image-3.19.0-66-powerpc-smp 3.19.0-66.74~14.04.1
linux-image-3.19.0-66-powerpc64-emb 3.19.0-66.74~14.04.1
linux-image-3.19.0-66-powerpc64-smp 3.19.0-66.74~14.04.1

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.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
http://www.ubuntu.com/usn/usn-3053-1
CVE-2016-1237, CVE-2016-4470, CVE-2016-4794, CVE-2016-5243

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-vivid/3.19.0-66.74~14.04.1



--Op5gG1ms1PT4AS8iReOp7dlMCMVRoEF91--

--J0EkxomH1iDPPvIeadmDouKSfenTQDj0m
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=HTZG
-----END PGP SIGNATURE-----

--J0EkxomH1iDPPvIeadmDouKSfenTQDj0m--


--===============2039166064414969117==
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

--===============2039166064414969117==--
Pro-Linux
Traut euch!
Neue Nachrichten
Werbung