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Alerts This Week
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Fedora 22: FEDORA-2015-e3b785cd25 Critical Kernel Security Flaw Alert

fedora
Calendar Grey November 20, 2015
Scroller Fedora
Fedora 21 receives a kernel security patch addressing vulnerabilities that could lead to denial of service due to microcode bugs. Ensure your system is protected with this update.
kernel-4.1.13-100.fc21 - Linux v4.1.13 - CVE-2015-8104 kvm: DoS infinite loop in microcode DB exception (rhbz 1278496 1279691) - CVE-2015-5307 kvm: DoS infinite loop in microcode A...

Summary

The kernel meta package

Update Information:

kernel-4.1.13-100.fc21 - Linux v4.1.13 - 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)

Topics%20covered

Topics Covered

security advisory kernel update Fedora DoS threat mitigation microcode

Change Log

References


[ 1 ] 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 [ 2 ] Bug #1271134 - CVE-2015-7799 kernel: net: slip: crash when using PPP character device driver https://bugzilla.redhat.com/show_bug.cgi?id=1271134 [ 3 ] 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 [ 4 ] 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

Update Instructions

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 .

Severity
critical
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Critical

Name: kernel
Product: Fedora 21
Version: 4.1.13
Release: 100.fc21
URL: https://www.kernel.org/
Summary: The Linux kernel

Topics%20covered

Topics Covered

security advisory kernel update Fedora DoS threat mitigation microcode

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