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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-obs-build package, versions <4.12.14-25.19.1

Severity

 Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.58% (88th percentile)

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  • Snyk IDSNYK-SLES150-KERNELOBSBUILD-2761248
  • published14 Apr 2022
  • disclosed2 Oct 2018
Report a new vulnerability Found a mistake?

Introduced: 2 Oct 2018

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

How to fix?

Upgrade SLES:15.0 kernel-obs-build to version 4.12.14-25.19.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-obs-build package and not the kernel-obs-build package as distributed by SLES. See How to fix? for SLES:15.0 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.