Test Kennung:	1.3.6.1.4.1.25623.1.0.72549
Kategorie:	Red Hat Local Security Checks
Titel:	RedHat Security Advisory RHSA-2012:1430
Zusammenfassung:	NOSUMMARY
Beschreibung:	Description: The remote host is missing updates announced in advisory RHSA-2012:1430. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issue: * A flaw was found in the way socket buffers (skb) requiring TSO (TCP segment offloading) were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service. (CVE-2012-3412, Important) Red Hat would like to thank Ben Hutchings of Solarflare (tm) for reporting this issue. This update also fixes the following bugs: * In the hpet_next_event() function, an interrupt could have occurred between the read and write of the HPET (High Precision Event Timer) and the value of HPET_COUNTER was then beyond that being written to the comparator (HPET_Tn_CMP). Consequently, the timers were overdue for up to several minutes. Now, a comparison is performed between the value of the counter and the comparator in the HPET code. If the counter is beyond the comparator, the -ETIME error code is returned, which fixes this bug. (BZ#855280) * Traffic to the NFS server could trigger a kernel oops in the svc_tcp_clear_pages() function. The source code has been modified, and the kernel oops no longer occurs in this scenario. (BZ#856104) * A kernel oops occurred in the nf_nat code when a bogus pointer was dereferenced in the nf_conn_nat structure. Consequently, if Source Network Address Translation (SNAT) was performed, incorrect information could be received by other CTS (Clear to Send) signals. A conntrack entry is now placed in the source hash after SNAT has been completed, which prevents the described problems. (BZ#865714) Users should upgrade to these updated packages, which contain backported patches to resolve 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-2012-1430.html Risk factor : High
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2012-3412 http://www.openwall.com/lists/oss-security/2012/08/03/4 RedHat Security Advisories: RHSA-2012:1323 http://rhn.redhat.com/errata/RHSA-2012-1323.html RedHat Security Advisories: RHSA-2012:1324 http://rhn.redhat.com/errata/RHSA-2012-1324.html RedHat Security Advisories: RHSA-2012:1347 http://rhn.redhat.com/errata/RHSA-2012-1347.html RedHat Security Advisories: RHSA-2012:1375 http://rhn.redhat.com/errata/RHSA-2012-1375.html RedHat Security Advisories: RHSA-2012:1401 http://rhn.redhat.com/errata/RHSA-2012-1401.html RedHat Security Advisories: RHSA-2012:1430 http://rhn.redhat.com/errata/RHSA-2012-1430.html http://secunia.com/advisories/50633 http://secunia.com/advisories/50732 http://secunia.com/advisories/50811 http://secunia.com/advisories/51193 SuSE Security Announcement: SUSE-SU-2012:1679 (Google Search) https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html SuSE Security Announcement: openSUSE-SU-2012:1330 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html http://www.ubuntu.com/usn/USN-1567-1 http://www.ubuntu.com/usn/USN-1568-1 http://www.ubuntu.com/usn/USN-1572-1 http://www.ubuntu.com/usn/USN-1575-1 http://www.ubuntu.com/usn/USN-1577-1 http://www.ubuntu.com/usn/USN-1578-1 http://www.ubuntu.com/usn/USN-1579-1 http://www.ubuntu.com/usn/USN-1580-1
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