CVE-2022-50572
In the Linux kernel, the following vulnerability has been resolved: ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link() The of_get_next_child() returns a node with refcount incremented, and decrements the refcount of prev. So in the error path of the while loop, of_node_put() needs be called for cpu_ep.
Affected versions
Linux kernel versions
5.1
and later are affected. Fixed in
5.4.229,
5.10.163,
5.15.86,
6.0.16,
6.1.2,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50572 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/06c9d468c06806dab752eb8e72addbf3792c1023
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PatchKernel patch commithttps://git.kernel.org/stable/c/49dad92af6892f46851af989ef3aa7cd7316c389
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PatchKernel patch commithttps://git.kernel.org/stable/c/4cc8431ec77a43ea106d8bde0860c61cfdda1cd0
Frequently asked questions
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What is CVE-2022-50572?
CVE-2022-50572 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.1 onward and has been patched in 5.4.229, 5.10.163, 5.15.86 and others. CVE-2022-50572 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2022-50572?
Yes — CVE-2022-50572 has been patched. Fixed versions include 5.4.229, 5.10.163, 5.15.86 and others. If you are running Linux kernel 5.1 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50572 actively exploited?
No — CVE-2022-50572 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.