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CVE-2015-5157

7.2 · HIGH

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users t…

Published Aug 31, 2015redhatCWE-264EPSS 0.62%

Overview

CVE-2015-5157 is a high-severity vulnerability affecting redhat enterprise_linux_desktop. It was published on August 31, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI.

Remediation

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux_desktop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel>= 0, < 3.12.47Affected

References

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0aReflists.opensuse.org/opensuse-security-announce/2015-10/msg00009.htmlReflists.opensuse.org/opensuse-security-announce/2015-11/msg00035.htmlReflists.opensuse.org/opensuse-security-announce/2015-12/msg00026.htmlReflists.opensuse.org/opensuse-security-announce/2015-12/msg00031.htmlReflists.opensuse.org/opensuse-security-announce/2016-02/msg00013.htmlRefrhn.redhat.com/errata/RHSA-2016-0185.htmlRefrhn.redhat.com/errata/RHSA-2016-0212.htmlRefrhn.redhat.com/errata/RHSA-2016-0224.htmlRefrhn.redhat.com/errata/RHSA-2016-0715.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-5157?

CVE-2015-5157 is a high-severity vulnerability affecting redhat enterprise_linux_desktop. It was published on August 31, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2015-5157?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-5157?

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux_desktop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-5157?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-5157 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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