PT-2026-61136 · Linux · Linux Kernel
CVE-2026-63820
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Published
2026-07-19
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Updated
2026-07-19
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the
f2fs read data large folio() function where a read bio (Block I/O request) may remain unsubmitted across multiple readahead folios. If a subsequent folio encounters an error before its blocks are added to the bio, the error path may return immediately. This prevents the accumulated bio from being submitted, causing readers to wait indefinitely on locked folios because they never receive a read completion signal.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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Related Identifiers
Affected Products
Linux Kernel