National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-7995 Detail

Current 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.

Source:  MITRE
Description Last Modified:  03/14/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.7 MEDIUM
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.0

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.7 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink 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
https://lkml.org/lkml/2018/3/2/970 Patch Third Party Advisory
https://usn.ubuntu.com/3654-1/
https://usn.ubuntu.com/3654-2/
https://usn.ubuntu.com/3656-1/
https://www.debian.org/security/2018/dsa-4187
https://www.debian.org/security/2018/dsa-4188

Technical Details

Vulnerability Type (View All)

Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7995
NVD Published Date:
03/09/2018
NVD Last Modified:
05/23/2018