Input validation error in Linux kernel - CVE-2014-3645
Published: November 10, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41142
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-3645
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.12 does not have an exit handler for the INVEPT instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.
How to mitigate CVE-2014-3645
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bfd0a56b90005f8c8a004baf407ad90045c2b11e
- 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-2417-1
- http://www.ubuntu.com/usn/USN-2418-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1144835
- https://github.com/torvalds/linux/commit/bfd0a56b90005f8c8a004baf407ad90045c2b11e