CVE-2026-89837

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix dentry folio leak in find_in_level find_in_level() gets a dentry folio with f2fs_find_data_folio() before calling find_in_block(). If find_in_block() returns an error, the function stores the error in res_folio and breaks out of the loop without dropping the dentry folio. This leaks the folio reference on the find_in_block() error path. Drop the dentry folio before returning the error to the caller.

• https://git.kernel.org/stable/c/93a3e6a4c9e726a13a935963e8dc43d181db1527
• https://git.kernel.org/stable/c/aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922
• https://git.kernel.org/stable/c/cca7d3e30bf30333314e31bc70b9a739f1342167

Published

Sep 16, 2026

Last Modified

Sep 16, 2026

Status

Received

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