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Deadlock The advisory has been revoked - it doesn't affect any version of package kernel-rt-64k-modules-partner  (opens in a new tab)

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EPSS
0.02% (6th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELRT64KMODULESPARTNER-14303480
  • published10 Dec 2025
  • disclosed9 Dec 2025
Report a new vulnerability Found a mistake?

Introduced: 9 Dec 2025

NewCVE-2023-53848  (opens in a new tab)
CWE-833  (opens in a new tab)

Amendment

The Centos security team deemed this advisory irrelevant for Centos:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-64k-modules-partner package and not the kernel-rt-64k-modules-partner package as distributed by Centos.

In the Linux kernel, the following vulnerability has been resolved:

md/raid5-cache: fix a deadlock in r5l_exit_log()

Commit b13015af94cf ("md/raid5-cache: Clear conf->log after finishing work") introduce a new problem:

// caller hold reconfig_mutex r5l_exit_log flush_work(&log->disable_writeback_work) r5c_disable_writeback_async wait_event /* * conf->log is not NULL, and mddev_trylock() * will fail, wait_event() can never pass. */ conf->log = NULL

Fix this problem by setting 'config->log' to NULL before wake_up() as it used to be, so that wait_event() from r5c_disable_writeback_async() can exist. In the meantime, move forward md_unregister_thread() so that null-ptr-deref this commit fixed can still be fixed.