CVE-2026-80898 is a vulnerability in Linux Kernel
Published on September 4, 2026
netfs: clear PG_private_2 on copy-to-cache append failure
In the Linux kernel, the following vulnerability has been resolved:
netfs: clear PG_private_2 on copy-to-cache append failure
netfs_pgpriv2_copy_to_cache() marks the folio with PG_private_2 before
netfs_pgpriv2_copy_folio() appends it to the copy-to-cache rolling
buffer.
If the append fails, the folio is not queued for cache writeback, so
the PG_private_2 state and its reference must be released immediately.
Products Associated with CVE-2026-80898
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Affected Versions
Linux:- Version e2d46f2ec332533816417b60933954173f602121 and below 627826ef4208042b0470d1a3fdb729ce35471a0d is affected.
- Version e2d46f2ec332533816417b60933954173f602121 and below 614b7f4bfcf665a751ae89ff9ae336a1b2d5af4e is affected.
- Version e2d46f2ec332533816417b60933954173f602121 and below a81fc9266e1c5fef9ccf675a9b44b2f4ab464923 is affected.
- Version 6.14 is affected.
- Before 6.14 is unaffected.
- Version 6.18.44, <= 6.18.* is unaffected.
- Version 7.1.8, <= 7.1.* is unaffected.
- Version 7.2, <= * is unaffected.