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Fedora 22: 2015-cd94ad8d7c Critical Update: Kernel DoS Issues

The 4.2.6 stable update contains a number of important fixes across the tree. kernel-4.2.6-200.fc22 - Fix incorrect size calculations in megaraid with 64K pages (rhbz 1269300) - CVE-2015-8104 kvm: DoS infinite loop in microcode DB exception (rhbz 1278496 1279691) - CVE-2015-5307 kvm: DoS infinite loop in microcode AC exception (rhbz 1277172 1279688). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-cd94ad8d7c 2015-11-19 07:46:18.494499 -------------------------------------------------------------------------------- Name : kernel Product : Fedora 22 Version : 4.2.6 Release : 200.fc22 URL : https://www.kernel.org/ Summary : The Linux kernel Description : The kernel meta package -------------------------------------------------------------------------------- Update Information: The 4.2.6 stable update contains a number of important fixes across the tree. kernel-4.2.6-200.fc22 - Fix incorrect size calculations in megaraid with 64K pages (rhbz 1269300) - CVE-2015-8104 kvm: DoS infinite loop in microcode DB exception (rhbz 1278496 1279691) - CVE-2015-5307 kvm: DoS infinite loop in microcode AC exception (rhbz 1277172 1279688) -------------------------------------------------------------------------------- References: [ 1 ] Bug #1278496 - CVE-2015-8104 virt: guest to host DoS by triggering an infinite loop in microcode via #DB exception https://bugzilla.redhat.com/show_bug.cgi?id=1278496 [ 2 ] Bug #1277172 - CVE-2015-5307 virt: guest to host DoS by triggering an infinite loop in microcode via #AC exception https://bugzilla.redhat.com/show_bug.cgi?id=1277172 [ 3 ] Bug #1271134 - CVE-2015-7799 kernel: net: slip: crash when using PPP character device driver https://bugzilla.redhat.com/show_bug.cgi?id=1271134 [ 4 ] Bug #1276437 - CVE-2015-7990 kernel: Race condition when sending message on unbound socket causing NULL pointer dereference https://bugzilla.redhat.com/show_bug.cgi?id=1276437 -------------------------------------------------------------------------------- This update can be installed with the "yum" update program. Use su -c 'yum update kernel' at the command line. For more information, refer to "Managing Software with yum", available at . All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://lists.fedoraproject.org/admin/lists/package-announce.lists.fedoraproject.org/ . The latest kernel security patch for Fedora 22 addresses several critical vulnerabilities linked to denial of service (DoS) attacks and enhances size computation protocols.. Kernel Security,Fedora Updates,DoS Issues,Kernel Fixes. . Severity: Critical. LinuxSecurity.com Team

Nov 19, 2015 •Critical Fedora