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CVE-2019-12456 Affecting kernel-macros package, versions <4.12.14-150.27.1

Severity

 Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES150-KERNELMACROS-2744350
  • published14 Apr 2022
  • disclosed15 Jul 2019
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Introduced: 15 Jul 2019

CVE-2019-12456  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-macros to version 4.12.14-150.27.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-macros package and not the kernel-macros package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

An issue was discovered in the MPT3COMMAND case in _ctl_ioctl_main in drivers/scsi/mpt3sas/mpt3sas_ctl.c in the Linux kernel through 5.1.5. It allows local users to cause a denial of service or possibly have unspecified other impact by changing the value of ioc_number between two kernel reads of that value, aka a "double fetch" vulnerability. NOTE: a third party reports that this is unexploitable because the doubly fetched value is not used

References