4.7
MEDIUM
CVE-2018-7995
Linux Kernel MCE Store Int With Restart Race Condition
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

INFO

Published Date :

March 9, 2018, 3:29 p.m.

Last Modified :

Nov. 21, 2024, 4:13 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.0
Public PoC/Exploit Available at Github

CVE-2018-7995 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-7995 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Debian debian_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-7995.

URL Resource
http://www.securityfocus.com/bid/103356 Third Party Advisory VDB Entry
https://bugzilla.suse.com/show_bug.cgi?id=1084755 Issue Tracking Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aaf Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Third Party Advisory
https://lkml.org/lkml/2018/3/2/970 Patch 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-4187 Third Party Advisory
https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
http://www.securityfocus.com/bid/103356 Third Party Advisory VDB Entry
https://bugzilla.suse.com/show_bug.cgi?id=1084755 Issue Tracking Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aaf Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Third Party Advisory
https://lkml.org/lkml/2018/3/2/970 Patch 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-4187 Third Party Advisory
https://www.debian.org/security/2018/dsa-4188 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Samsung security patch description

Updated: 6 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 14, 2018, 12:38 p.m. This repo has been linked 398 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-7995 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-7995 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Aug. 05, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 18, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
    Added Tag MITRE disputed
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description ** DISPUTED ** 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. 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
  • Modified Analysis by [email protected]

    Feb. 28, 2019

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3654-1/ No Types Assigned https://usn.ubuntu.com/3654-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3654-2/ No Types Assigned https://usn.ubuntu.com/3654-2/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3656-1/ No Types Assigned https://usn.ubuntu.com/3656-1/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4187 No Types Assigned https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4188 No Types Assigned https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 24, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3656-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 23, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3654-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3654-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 04, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 03, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4188 [No Types Assigned]
    Added Reference https://www.debian.org/security/2018/dsa-4187 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 29, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:M/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1084755 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1084755 Issue Tracking, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/103356 No Types Assigned http://www.securityfocus.com/bid/103356 Third Party Advisory, VDB Entry
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aaf No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aaf Patch, Vendor Advisory
    Changed Reference Type https://lkml.org/lkml/2018/3/2/970 No Types Assigned https://lkml.org/lkml/2018/3/2/970 Patch, Third Party Advisory
    Added CWE CWE-362
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.15.7
  • CVE Modified by [email protected]

    Mar. 15, 2018

    Action Type Old Value New Value
    Changed 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. ** DISPUTED ** 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.
    Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1084755 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 14, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/103356 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 10, 2018

    Action Type Old Value New Value
    Changed 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 /sys/devices/system/machinecheck/machinecheck<cpu number> (aka the check_interval file) 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.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-7995 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-7995 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability