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Out-of-bounds Read Affecting kernel-uek package, versions <0:2.6.39-400.311.1.el5uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-ORACLE5-KERNELUEK-2544474
  • published10 Apr 2022
  • disclosed21 Mar 2019
Report a new vulnerability Found a mistake?

Introduced: 21 Mar 2019

CVE-2018-19985  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Oracle:5 kernel-uek to version 0:2.6.39-400.311.1.el5uek or higher.
This issue was patched in ELSA-2019-4646.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

The function hso_get_config_data in drivers/net/usb/hso.c in the Linux kernel through 4.19.8 reads if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object out-of-bounds (OOB) read that potentially allows arbitrary read in the kernel address space.

References