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Race Condition Affecting linux-4.9 package, versions <4.9.168-1~deb8u1

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.06% (32nd percentile)

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  • Snyk IDSNYK-DEBIAN8-LINUX49-345503
  • published25 Sept 2018
  • disclosed10 Sept 2018
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Introduced: 10 Sep 2018

CVE-2018-14625  (opens in a new tab)
CWE-362  (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.

A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.