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Test Kennung:1.3.6.1.4.1.25623.1.0.71919
Kategorie:Red Hat Local Security Checks
Titel:RedHat Security Advisory RHSA-2012:0010
Zusammenfassung:NOSUMMARY
Beschreibung:Description:
The remote host is missing updates announced in
advisory RHSA-2012:0010.

The kernel-rt packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issues:

* A malicious CIFS (Common Internet File System) server could send a
specially-crafted response to a directory read request that would result in
a denial of service or privilege escalation on a system that has a CIFS
share mounted. (CVE-2011-3191, Important)

* The way fragmented IPv6 UDP datagrams over the bridge with UDP
Fragmentation Offload (UFO) functionality on were handled could allow a
remote attacker to cause a denial of service. (CVE-2011-4326, Important)

* GRO (Generic Receive Offload) fields could be left in an inconsistent
state. An attacker on the local network could use this flaw to cause a
denial of service. GRO is enabled by default in all network drivers that
support it. (CVE-2011-2723, Moderate)

* IPv4 and IPv6 protocol sequence number and fragment ID generation could
allow a man-in-the-middle attacker to inject packets and possibly hijack
connections. Protocol sequence numbers and fragment IDs are now more
random. (CVE-2011-3188, Moderate)

* A flaw in the FUSE (Filesystem in Userspace) implementation could allow
a local user in the fuse group who has access to mount a FUSE file system
to cause a denial of service. (CVE-2011-3353, Moderate)

* A flaw in the b43 driver. If a system had an active wireless interface
that uses the b43 driver, an attacker able to send a specially-crafted
frame to that interface could cause a denial of service. (CVE-2011-3359,
Moderate)

* A flaw in the way CIFS shares with DFS referrals at their root were
handled could allow an attacker on the local network, who is able to deploy
a malicious CIFS server, to create a CIFS network share that, when mounted,
would cause the client system to crash. (CVE-2011-3363, Moderate)

* A flaw in the m_stop() implementation could allow a local, unprivileged
user to trigger a denial of service. (CVE-2011-3637, Moderate)

* Flaws in ghash_update() and ghash_final() could allow a local,
unprivileged user to cause a denial of service. (CVE-2011-4081, Moderate)

* A flaw in the key management facility could allow a local, unprivileged
user to cause a denial of service via the keyctl utility. (CVE-2011-4110,
Moderate)

* A flaw in the Journaling Block Device (JBD) could allow a local attacker
to crash the system by mounting a specially-crafted ext3 or ext4 disk.
(CVE-2011-4132, Moderate)

* A flaw in the way memory containing security-related data was handled in
tpm_read() could allow a local, unprivileged user to read the results of a
previously run TPM command. (CVE-2011-1162, Low)

* I/O statistics from the taskstats subsystem could be read without any
restrictions, which could allow a local, unprivileged user to gather
confidential information, such as the length of a password used in a
process. (CVE-2011-2494, Low)

* Flaws in tpacket_rcv() and packet_recvmsg() could allow a local,
unprivileged user to leak information to user-space. (CVE-2011-2898, Low)

Red Hat would like to thank Darren Lavender for reporting CVE-2011-3191

Brent Meshier for reporting CVE-2011-2723
Dan Kaminsky for reporting
CVE-2011-3188
Yogesh Sharma for reporting CVE-2011-3363
Nick Bowler for
reporting CVE-2011-4081
Peter Huewe for reporting CVE-2011-1162
and
Vasiliy Kulikov of Openwall for reporting CVE-2011-2494.

This update also fixes the following bugs:

* Previously, a mismatch in the build-id of the kernel-rt and the one in
the related debuginfo package caused failures in SystemTap and perf.
(BZ#768413)

* IBM x3650m3 systems were not able to boot the MRG Realtime kernel because
they require a pmcraid driver that was not available. The pmcraid driver is
included in this update. (BZ#753992)

Users should upgrade to these updated packages, which correct these issues.
The system must be rebooted for this update to take effect.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2012-0010.html

Risk factor : High

Querverweis: Common Vulnerability Exposure (CVE) ID: CVE-2011-1162
BugTraq ID: 50764
http://www.securityfocus.com/bid/50764
Common Vulnerability Exposure (CVE) ID: CVE-2011-2494
http://www.openwall.com/lists/oss-security/2011/06/27/1
http://secunia.com/advisories/48898
SuSE Security Announcement: SUSE-SU-2012:0554 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
Common Vulnerability Exposure (CVE) ID: CVE-2011-2723
BugTraq ID: 48929
http://www.securityfocus.com/bid/48929
HPdes Security Advisory: HPSBGN02970
http://marc.info/?l=bugtraq&m=139447903326211&w=2
http://openwall.com/lists/oss-security/2011/07/28/13
http://openwall.com/lists/oss-security/2011/07/29/1
http://www.redhat.com/support/errata/RHSA-2011-1321.html
http://securitytracker.com/id?1025876
Common Vulnerability Exposure (CVE) ID: CVE-2011-2898
http://www.openwall.com/lists/oss-security/2011/08/03/7
Common Vulnerability Exposure (CVE) ID: CVE-2011-3188
http://www.openwall.com/lists/oss-security/2011/08/23/2
Common Vulnerability Exposure (CVE) ID: CVE-2011-3191
http://www.openwall.com/lists/oss-security/2011/08/24/2
Common Vulnerability Exposure (CVE) ID: CVE-2011-3353
http://www.openwall.com/lists/oss-security/2011/09/09/6
Common Vulnerability Exposure (CVE) ID: CVE-2011-3359
http://www.openwall.com/lists/oss-security/2011/09/14/2
Common Vulnerability Exposure (CVE) ID: CVE-2011-3363
http://www.openwall.com/lists/oss-security/2011/09/14/12
Common Vulnerability Exposure (CVE) ID: CVE-2011-3637
http://www.openwall.com/lists/oss-security/2012/02/06/1
Common Vulnerability Exposure (CVE) ID: CVE-2011-4081
http://www.openwall.com/lists/oss-security/2011/10/27/2
Common Vulnerability Exposure (CVE) ID: CVE-2011-4110
BugTraq ID: 50755
http://www.securityfocus.com/bid/50755
https://lkml.org/lkml/2011/11/15/363
http://www.openwall.com/lists/oss-security/2011/11/21/19
http://www.openwall.com/lists/oss-security/2011/11/22/6
http://www.openwall.com/lists/oss-security/2011/11/22/5
http://secunia.com/advisories/47754
http://www.ubuntu.com/usn/USN-1324-1
http://www.ubuntu.com/usn/USN-1328-1
http://www.ubuntu.com/usn/USN-1344-1
Common Vulnerability Exposure (CVE) ID: CVE-2011-4132
BugTraq ID: 50663
http://www.securityfocus.com/bid/50663
http://xorl.wordpress.com/2011/12/08/cve-2011-4132-linux-kernel-jbdjbd2-local-dos/
http://www.openwall.com/lists/oss-security/2011/11/11/6
http://www.openwall.com/lists/oss-security/2011/11/13/4
http://securitytracker.com/id?1026325
SuSE Security Announcement: SUSE-SU-2015:0812 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
Common Vulnerability Exposure (CVE) ID: CVE-2011-4326
BugTraq ID: 50751
http://www.securityfocus.com/bid/50751
http://www.openwall.com/lists/oss-security/2011/11/21/10
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