CVE-2025-37863

Published May 9, 2025

Last updated a month ago

Overview

Description
In the Linux kernel, the following vulnerability has been resolved: ovl: don't allow datadir only In theory overlayfs could support upper layer directly referring to a data layer, but there's no current use case for this. Originally, when data-only layers were introduced, this wasn't allowed, only introduced by the "datadir+" feature, but without actually handling this case, resulting in an Oops. Fix by disallowing datadir without lowerdir.
Source
416baaa9-dc9f-4396-8d5f-8c081fb06d67
NVD status
Awaiting Analysis

Social media

Hype score
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  1. CVE-2025-37863 In the Linux kernel, the following vulnerability has been resolved: ovl: don't allow datadir only In theory overlayfs could support upper layer directly referring t… https://t.co/VKg4w3eMFp

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    9 May 2025

    183 Impressions

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References

Sources include official advisories and independent security research.