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Out-of-bounds Read Affecting linux-4.9 package, versions <4.9.168-1~deb8u1

Severity

 Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.13% (50th percentile)

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  • Snyk IDSNYK-DEBIAN8-LINUX49-345457
  • published24 Dec 2018
  • disclosed21 Mar 2019
Report a new vulnerability Found a mistake?

Introduced: 24 Dec 2018

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

How to fix?

Upgrade Debian:8 linux-4.9 to version 4.9.168-1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.9 package and not the linux-4.9 package as distributed by Debian. See How to fix? for Debian:8 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