Race Condition Affecting kernel-uek-firmware package, versions <0:4.1.12-124.24.1.el6uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELUEKFIRMWARE-2542636
  • published10 Apr 2022
  • disclosed9 Mar 2018

Introduced: 9 Mar 2018

CVE-2018-7995  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-firmware to version 0:4.1.12-124.24.1.el6uek or higher.
This issue was patched in ELSA-2019-4315.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-firmware package and not the kernel-uek-firmware package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

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