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Test Kennung: | 1.3.6.1.4.1.25623.1.0.881309 |
Kategorie: | CentOS Local Security Checks |
Titel: | CentOS Update for kernel CESA-2011:1479 centos5 x86_64 |
Zusammenfassung: | The remote host is missing an update for the 'kernel'; package(s) announced via the referenced advisory. |
Beschreibung: | Summary: The remote host is missing an update for the 'kernel' package(s) announced via the referenced advisory. Vulnerability Insight: The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * Using PCI passthrough without interrupt remapping support allowed Xen hypervisor 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) * A flaw was found in the way CIFS (Common Internet File System) shares with DFS referrals at their root were handled. An attacker on the local network who is able to deploy a malicious CIFS server could create a CIFS network share that, when mounted, would cause the client system to crash. (CVE-2011-3363, Moderate) * A NULL pointer dereference flaw was found in the way the Linux kernel's key management facility handled user-defined key types. A local, unprivileged user could use the keyctl utility to cause a denial of service. (CVE-2011-4110, 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) * A NULL pointer dereference flaw was found in the Linux kernel's HFS file system implementation. A local attacker could use this flaw to cause a denial of service by mounting a disk that contains a specially-crafted HFS file system with a corrupted MDB extent record. (CVE-2011-2203, Low) * The I/O statistics from the taskstats subsystem could be read without any restrictions. A local, unprivileged user could use this flaw to gather confidential information, such as the length of a password used in a process. (CVE-2011-2494, Low) Red Hat would like to thank Yogesh Sharma for reporting CVE-2011-3363, Peter Huewe for reporting CVE-2011-1162, Clement Lecigne for reporting CVE-2011-2203, and Vasiliy Kulikov of Openwall for reporting CVE-2011-2494. This update also fixes several bugs and adds one enhancement. Documentation for these changes will be available shortly from the Technical Notes document linked to in the References section. Users should upgrade to these updated packages, which contain backported patches to correct these issues, and fix the bugs and add the enhancement noted in the Technical Notes. The system must be rebooted for this update to take effect. Affected Software/OS: kernel on CentOS 5 Solution: Please install the updated packages. CVSS Score: 7.4 CVSS Vector: AV:A/AC:M/Au:S/C:C/I:C/A:C |
Querverweis: |
Common Vulnerability Exposure (CVE) ID: CVE-2011-1162 BugTraq ID: 50764 http://www.securityfocus.com/bid/50764 Common Vulnerability Exposure (CVE) ID: CVE-2011-1898 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-2011-2203 BugTraq ID: 48236 http://www.securityfocus.com/bid/48236 https://lkml.org/lkml/2011/6/8/154 http://www.openwall.com/lists/oss-security/2011/06/13/16 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-2011-2494 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-2011-3363 http://www.openwall.com/lists/oss-security/2011/09/14/12 Common Vulnerability Exposure (CVE) ID: CVE-2011-4110 BugTraq ID: 50755 http://www.securityfocus.com/bid/50755 HPdes Security Advisory: HPSBGN02970 http://marc.info/?l=bugtraq&m=139447903326211&w=2 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 |
Copyright | Copyright (c) 2012 Greenbone Networks GmbH |
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