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Incorrect Calculation Affecting kernel-uek-devel package, versions <0:3.8.13-118.19.7.el7uek

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2520256
  • published10 Apr 2022
  • disclosed24 Aug 2017
Report a new vulnerability Found a mistake?

Introduced: 24 Aug 2017

CVE-2017-12134  (opens in a new tab)
CWE-682  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-devel to version 0:3.8.13-118.19.7.el7uek or higher.
This issue was patched in ELSA-2017-3621.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.