CVE-2018-7995
Public on 2018-03-09
Modified on 2019-01-25
Description
A race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel 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 directory.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2018-05-25 | ALAS-2018-1023 | Fixed |
| Amazon Linux 2 - Core | kernel | 2018-04-19 | ALAS2-2018-994 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.4 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
| NVD | CVSSv3 | 4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |