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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting linux-4.9 package, versions <4.9.110-3+deb9u5~deb8u1

Severity

 Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.82% (89th percentile)

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  • Snyk IDSNYK-DEBIAN8-LINUX49-263022
  • published25 Sept 2018
  • disclosed27 Aug 2018
Report a new vulnerability Found a mistake?

Introduced: 27 Aug 2018

CVE-2018-10938  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Debian:8 linux-4.9 to version 4.9.110-3+deb9u5~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 present since v4.0-rc1 and through v4.13-rc4. A crafted network packet sent remotely by an attacker may force the kernel to enter an infinite loop in the cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c leading to a denial-of-service. A certain non-default configuration of LSM (Linux Security Module) and NetLabel should be set up on a system before an attacker could leverage this flaw.