CVE-2015-5157

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.

Category

7.2
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.27%
Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2016-0212.html vdb entry third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html vdb entry third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html vdb entry third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0715.html vdb entry third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2689-1 vdb entry third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://www.ubuntu.com/usn/USN-2690-1 vdb entry third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a third party advisory mailing list
http://www.securityfocus.com/bid/76005 vdb entry third party advisory
http://www.ubuntu.com/usn/USN-2691-1 vdb entry third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html vdb entry third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html vdb entry third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html vdb entry third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2688-1 vdb entry third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0185.html vdb entry third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3313 vdb entry third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6 vendor advisory
http://www.openwall.com/lists/oss-security/2015/07/22/7 mailing list
http://rhn.redhat.com/errata/RHSA-2016-0224.html vdb entry third party advisory vendor advisory
https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a third party advisory
http://www.ubuntu.com/usn/USN-2687-1 vdb entry third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-5157?
CVE-2015-5157 has been scored as a high severity vulnerability.
How to fix CVE-2015-5157?
To fix CVE-2015-5157, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5157 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-5157 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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