medium
4.4
CWE
362
Advisory Published
Updated

F5-K000140297: Race Condition

First published: Thu Jul 25 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sys_membarrier On some systems, sys_membarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in order to serialize the accesses to prevent the ability for this to be called at too high of a frequency and saturate the machine.

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Next (LTM)>=20.0.1<=20.1.0
F5 BIG-IP Next Central Manager>=20.0.1<=20.2.0
F5 BIG-IP and BIG-IQ Centralized Management>=17.1.0<=17.1.2
F5 BIG-IP and BIG-IQ Centralized Management>=16.1.0<=16.1.5
F5 BIG-IP and BIG-IQ Centralized Management>=15.1.0<=15.1.10
F5 BIG-IP and BIG-IQ Centralized Management>=8.1.0<=8.3.0
F5 F5OS=1.7.0>=1.5.1<=1.5.2
F5 F5OS>=1.6.0<=1.6.2
F5 Traffix Systems Signaling Delivery Controller=5.2

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Reference Links

Frequently Asked Questions

  • What is the severity of F5-K000140297?

    The severity of F5-K000140297 is considered to be significant due to performance impacts on affected systems.

  • How do I fix F5-K000140297?

    To fix F5-K000140297, update your software to the latest version as recommended by F5.

  • Which products are affected by F5-K000140297?

    F5-K000140297 affects several products, including F5 BIG-IP, BIG-IQ Centralized Management, and F5OS.

  • Can F5-K000140297 lead to system slowdowns?

    Yes, F5-K000140297 can cause significant slowdowns on systems due to expensive sys_membarrier calls.

  • Is there a workaround for F5-K000140297?

    Currently, the recommended action for F5-K000140297 is to apply the available updates rather than rely on workarounds.

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