Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2014-3646 |
CWE-ID | CWE-264 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU41144
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2014-3646
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform service disruption.
arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: 3.0 - 3.17.1
CPE2.3http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a642fc305053cc1c6e47e4f4df327895747ab485
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://rhn.redhat.com/errata/RHSA-2015-0126.html
http://rhn.redhat.com/errata/RHSA-2015-0284.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://bugzilla.redhat.com/show_bug.cgi?id=1144825
http://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.