Test Kennung:	1.3.6.1.4.1.25623.1.0.70077
Kategorie:	Red Hat Local Security Checks
Titel:	RedHat Security Advisory RHSA-2011:1189
Zusammenfassung:	NOSUMMARY
Beschreibung:	Description: The remote host is missing updates announced in advisory RHSA-2011:1189. Security issues: * Using PCI passthrough without interrupt remapping support allowed KVM guests to generate MSI interrupts and thus potentially inject traps. A privileged guest user could use this flaw to crash the host or possibly escalate their privileges on the host. The fix for this issue can prevent PCI passthrough working and guests starting. Refer to Red Hat Bugzilla bug 715555 for details. (CVE-2011-1898, Important) * Flaw in the client-side NLM implementation could allow a local, unprivileged user to cause a denial of service. (CVE-2011-2491, Important) * Integer underflow in the Bluetooth implementation could allow a remote attacker to cause a denial of service or escalate their privileges by sending a specially-crafted request to a target system via Bluetooth. (CVE-2011-2497, Important) * Buffer overflows in the netlink-based wireless configuration interface implementation could allow a local user, who has the CAP_NET_ADMIN capability, to cause a denial of service or escalate their privileges on systems that have an active wireless interface. (CVE-2011-2517, Important) * Flaw in the way the maximum file offset was handled for ext4 file systems could allow a local, unprivileged user to cause a denial of service. (CVE-2011-2695, Important) * Flaw allowed napi_reuse_skb() to be called on VLAN packets. An attacker on the local network could use this flaw to send crafted packets to a target, possibly causing a denial of service. (CVE-2011-1576, Moderate) * Integer signedness error in next_pidmap() could allow a local, unprivileged user to cause a denial of service. (CVE-2011-1593, Moderate) * Race condition in the memory merging support (KSM) could allow a local, unprivileged user to cause a denial of service. KSM is off by default, but on systems running VDSM, or on KVM hosts, it is likely turned on by the ksm/ksmtuned services. (CVE-2011-2183, Moderate) * Flaw in inet_diag_bc_audit() could allow a local, unprivileged user to cause a denial of service. (CVE-2011-2213, Moderate) * Flaw in the way space was allocated in the Global File System 2 (GFS2) implementation. If the file system was almost full, and a local, unprivileged user made an fallocate() request, it could result in a denial of service. Setting quotas to prevent users from using all available disk space would prevent exploitation of this flaw. (CVE-2011-2689, Moderate) * Local, unprivileged users could send signals via the sigqueueinfo system call, with si_code set to SI_TKILL and with spoofed process and user IDs, to other processes. This flaw does not allow existing permission checks to be bypassed signals can only be sent if your privileges allow you to already do so. (CVE-2011-1182, Low) * Heap overflow in the EFI GUID Partition Table (GPT) implementation could allow a local attacker to cause a denial of service by mounting a disk containing crafted partition tables. (CVE-2011-1776, Low) * Structure padding in two structures in the Bluetooth implementation was not initialized properly before being copied to user-space, possibly allowing local, unprivileged users to leak kernel stack memory to user-space. (CVE-2011-2492, Low) * /proc/[PID]/io is world-readable by default. Previously, these files could be read without any further restrictions. A local, unprivileged user could read these files, belonging to other, possibly privileged processes to gather confidential information, such as the length of a password used in a process. (CVE-2011-2495, Low) Red Hat would like to thank Vasily Averin for reporting CVE-2011-2491 Dan Rosenberg for reporting CVE-2011-2497 and CVE-2011-2213 Ryan Sweat for reporting CVE-2011-1576 Robert Swiecki for reporting CVE-2011-1593 Andrea Righi for reporting CVE-2011-2183 Julien Tinnes of the Google Security Team for reporting CVE-2011-1182 Timo Warns for reporting CVE-2011-1776 Marek Kroemeke and Filip Palian for reporting CVE-2011-2492 and Vasiliy Kulikov of Openwall for reporting CVE-2011-2495. 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-2011-1189.html Risk factor : Critical CVSS Score: 8.3
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2011-1182 http://www.openwall.com/lists/oss-security/2011/03/23/2 RedHat Security Advisories: RHSA-2011:0927 http://rhn.redhat.com/errata/RHSA-2011-0927.html Common Vulnerability Exposure (CVE) ID: CVE-2011-1576 BugTraq ID: 48907 http://www.securityfocus.com/bid/48907 http://www.redhat.com/support/errata/RHSA-2011-1090.html http://www.redhat.com/support/errata/RHSA-2011-1106.html http://www.securitytracker.com/id?1025853 Common Vulnerability Exposure (CVE) ID: CVE-2011-1593 BugTraq ID: 47497 http://www.securityfocus.com/bid/47497 http://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source http://openwall.com/lists/oss-security/2011/04/19/1 http://openwall.com/lists/oss-security/2011/04/20/1 http://securitytracker.com/id?1025420 http://secunia.com/advisories/44164 http://www.ubuntu.com/usn/USN-1146-1 XForce ISS Database: kernel-nextpidmap-dos(66876) https://exchange.xforce.ibmcloud.com/vulnerabilities/66876 Common Vulnerability Exposure (CVE) ID: CVE-2011-1776 BugTraq ID: 47796 http://www.securityfocus.com/bid/47796 http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt http://openwall.com/lists/oss-security/2011/05/10/4 http://securityreason.com/securityalert/8369 Common Vulnerability Exposure (CVE) ID: CVE-2011-1898 http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html http://theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-attacks.html http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf http://xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.html SuSE Security Announcement: SUSE-SU-2011:0942 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html SuSE Security Announcement: openSUSE-SU-2011:0941 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html Common Vulnerability Exposure (CVE) ID: CVE-2011-2183 http://www.openwall.com/lists/oss-security/2011/06/06/1 Common Vulnerability Exposure (CVE) ID: CVE-2011-2213 HPdes Security Advisory: HPSBGN02970 http://marc.info/?l=bugtraq&m=139447903326211&w=2 http://article.gmane.org/gmane.linux.network/197208 http://article.gmane.org/gmane.linux.network/197206 http://article.gmane.org/gmane.linux.network/197386 http://article.gmane.org/gmane.linux.network/198809 http://www.openwall.com/lists/oss-security/2011/06/20/1 http://www.openwall.com/lists/oss-security/2011/06/20/13 http://www.openwall.com/lists/oss-security/2011/06/20/16 Common Vulnerability Exposure (CVE) ID: CVE-2011-2491 http://www.openwall.com/lists/oss-security/2011/06/23/6 RedHat Security Advisories: RHSA-2011:1212 http://rhn.redhat.com/errata/RHSA-2011-1212.html Common Vulnerability Exposure (CVE) ID: CVE-2011-2492 http://permalink.gmane.org/gmane.linux.bluez.kernel/12909 http://www.openwall.com/lists/oss-security/2011/06/24/2 http://www.openwall.com/lists/oss-security/2011/06/24/3 http://securitytracker.com/id?1025778 Common Vulnerability Exposure (CVE) ID: CVE-2011-2495 http://www.openwall.com/lists/oss-security/2011/06/27/1 Common Vulnerability Exposure (CVE) ID: CVE-2011-2497 BugTraq ID: 48472 http://www.securityfocus.com/bid/48472 http://marc.info/?l=linux-kernel&m=130891911909436&w=2 http://www.openwall.com/lists/oss-security/2011/06/24/9 http://www.openwall.com/lists/oss-security/2011/06/27/3 http://www.osvdb.org/74679 http://securityreason.com/securityalert/8359 Common Vulnerability Exposure (CVE) ID: CVE-2011-2517 http://www.openwall.com/lists/oss-security/2011/07/01/4 Common Vulnerability Exposure (CVE) ID: CVE-2011-2689 BugTraq ID: 48677 http://www.securityfocus.com/bid/48677 http://www.openwall.com/lists/oss-security/2011/07/13/1 RedHat Security Advisories: RHSA-2011:1065 http://rhn.redhat.com/errata/RHSA-2011-1065.html http://securitytracker.com/id?1025776 http://secunia.com/advisories/45193 XForce ISS Database: linux-kernel-gfs2-dos(68557) https://exchange.xforce.ibmcloud.com/vulnerabilities/68557 Common Vulnerability Exposure (CVE) ID: CVE-2011-2695 http://www.spinics.net/lists/linux-ext4/msg25697.html http://www.openwall.com/lists/oss-security/2011/07/15/7 http://www.openwall.com/lists/oss-security/2011/07/15/8
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