Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-debug-modules package, versions <0:4.18.0-147.el8


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELDEBUGMODULES-2543754
  • published10 Apr 2022
  • disclosed25 Apr 2019

Introduced: 25 Apr 2019

CVE-2019-3900  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-debug-modules to version 0:4.18.0-147.el8 or higher.
This issue was patched in ELSA-2019-3517.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules package and not the kernel-debug-modules package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

An infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.

References

CVSS Scores

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