CVE-2014-3611

Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation.

Score

CVSS 3.1 4.7 Medium

Status

Modified - secalert@redhat.com

Published

2014-11-10

Last modified

2024-08-06

Weaknesses

CWE-362

Affected products

• Ubuntu Linux (Canonical)
• Debian Linux (Debian)
• Linux Kernel (Linux)
• Enterprise Linux (Redhat)

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2febc839133280d5a5e8e1179c94ea674489dae2
• http://rhn.redhat.com/errata/RHSA-2015-0126.html
• http://rhn.redhat.com/errata/RHSA-2015-0284.html
• http://rhn.redhat.com/errata/RHSA-2015-0869.html
• http://www.debian.org/security/2014/dsa-3060
• http://www.openwall.com/lists/oss-security/2014/10/24/9
• http://www.ubuntu.com/usn/USN-2394-1
• http://www.ubuntu.com/usn/USN-2417-1
• http://www.ubuntu.com/usn/USN-2418-1
• http://www.ubuntu.com/usn/USN-2491-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1144878
• https://github.com/torvalds/linux/commit/2febc839133280d5a5e8e1179c94ea674489dae2