PT-2014-5417 · Linux+4 · Linux Kernel+4

Published 2014-10-23 · Updated 2023-02-13 · CVE-2014-3610

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 3.17.2

Description The WRMSR processing functionality in the KVM subsystem does not properly handle the writing of a non-canonical address to a model-specific register. This allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr interception function in arch/x86/kvm/svm.c and the handle wrmsr function in arch/x86/kvm/vmx.c. A privileged guest user can use this flaw to crash the host.

Recommendations To mitigate this issue, enable CONFIG PARAVIRT when building the kernel, as this causes wrmsrl() to invoke a safe msr write variant.

Exploit

Fix

Related Identifiers

ALT-PU-2014-2320

ALT-PU-2015-1794

CVE-2014-3610

DSA-3060-1

MGASA-2014-0474

MGASA-2014-0475

MGASA-2015-0075

MGASA-2015-0076

MGASA-2015-0077

MGASA-2015-0078

RHSA-2015:0869

RHSA-2015_0869

SUSE-RU-2015:0621-1

SUSE-SU-2015:0481-1

SUSE-SU-2015:0581-1

SUSE-SU-2015:0736-1

SUSE-SU-2015:1174-1

SUSE-SU-2015:1376-1

USN-2394-1

USN-2395-1

USN-2396-1

USN-2417-1

USN-2418-1

USN-2462-1

USN-2491-1

Affected Products

Alt Linux

Linux Kernel

Red Hat

Suse

Ubuntu

References · 95

• 🔥 https://github.com/torvalds/linux/commit/854e8bb1aa06c578c2c9145fa6bfe3680ef63b23 · Exploit
• 🔥 https://github.com/retme7/CVE-2014-4322_poc · Exploit
• 🔥 https://github.com/panyu6325/CVE-2015-1805 · Exploit
• 🔥 https://github.com/laginimaineb/cve-2014-4322 · Exploit
• 🔥 https://github.com/marcograss/cve-2014-4323 · Exploit
• 🔥 https://github.com/FloatingGuy/cve-2015-1805 · Exploit
• 🔥 https://github.com/ireshchaminda1/Android-Privilege-Escalation-Remote-Access-Vulnerability-CVE-2015-1805 · Exploit
• 🔥 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=854e8bb1aa06c578c2c9145fa6bfe3680ef63b23 · Exploit
• https://osv.dev/vulnerability/MGASA-2015-0077 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2015-0076.html · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2418-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2015-0075 · Vendor Advisory
• https://ubuntu.com/security/CVE-2014-3611 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2015-3012.html · Vendor Advisory