CVE-2018-7995

Name: CVE-2018-7995
Creator: NVD / NIST
Published: 2018-03-09T15:29:00.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.32%

Last modified Jun 17, 2026

CVE-2018-7995 is a vulnerability of currently unknown severity. Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck<cpu number> directory. NOTE: a third party has indicated that this report is not security relevant. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck<cpu number> directory. NOTE: a third party has indicated that this report is not security relevant

Metrics

EPSS Probability

0.32%

23.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.15.7
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Debian	Debian Linux	7.0

References

http://www.securityfocus.com/bid/103356Third Party Advisory, VDB Entry
https://bugzilla.suse.com/show_bug.cgi?id=1084755Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aafPatch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlThird Party Advisory
https://lkml.org/lkml/2018/3/2/970Patch, Third Party Advisory
https://usn.ubuntu.com/3654-1/Third Party Advisory
https://usn.ubuntu.com/3654-2/Third Party Advisory
https://usn.ubuntu.com/3656-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4187Third Party Advisory
https://www.debian.org/security/2018/dsa-4188Third Party Advisory
http://www.securityfocus.com/bid/103356Third Party Advisory, VDB Entry
https://bugzilla.suse.com/show_bug.cgi?id=1084755Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aafPatch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlThird Party Advisory
https://lkml.org/lkml/2018/3/2/970Patch, Third Party Advisory
https://usn.ubuntu.com/3654-1/Third Party Advisory
https://usn.ubuntu.com/3654-2/Third Party Advisory
https://usn.ubuntu.com/3656-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4187Third Party Advisory
https://www.debian.org/security/2018/dsa-4188Third Party Advisory

Timeline

Published: Mar 9, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-7995?

How severe is CVE-2018-7995?

Severity scoring for CVE-2018-7995 is pending analysis. The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2018-7995?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-7995?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST