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Integer Underflow Affecting kernel-uek-devel package, versions <0:4.1.12-124.43.4.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (28th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2579208
  • published10 Apr 2022
  • disclosed12 May 2017
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Introduced: 12 May 2017

CVE-2017-8924  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-devel to version 0:4.1.12-124.43.4.el7uek or higher.
This issue was patched in ELSA-2020-5866.

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 edge_bulk_in_callback function in drivers/usb/serial/io_ti.c in the Linux kernel before 4.10.4 allows local users to obtain sensitive information (in the dmesg ringbuffer and syslog) from uninitialized kernel memory by using a crafted USB device (posing as an io_ti USB serial device) to trigger an integer underflow.