CVE-2026-80897
netfs: release readahead folios on iterator preparation failure
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: netfs: release readahead folios on iterator preparation failure netfs_prepare_read_iterator() batches readahead folios in put_batch so that the folio references can be dropped after the I/O iterator has been prepared. If rolling_buffer_load_from_ra() fails after earlier folios have been batched, the function returns immediately and leaves those references held. Release the batch before returning the error.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 4, 2026 |
| Last Updated | Oct 21, 2026 |
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Affected Versions
Linux / Linux
e0186fa7436e55db10cecc2308749e2a877269a5 < 9ef7c3c5cf771286f187aed199dac0972404cc0f 06fa229ceb36898e68022b5654c017d2c6582d7d < 2c148a31ca01fc160aceec777bbc0041b0d0b8bd 06fa229ceb36898e68022b5654c017d2c6582d7d < 935e7b74bb2368f215cf8c2ad4bff60ee4e7589e 06fa229ceb36898e68022b5654c017d2c6582d7d < 87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6
Linux / Linux
6.14
References
git.kernel.org: https://git.kernel.org/stable/c/9ef7c3c5cf771286f187aed199dac0972404cc0f git.kernel.org: https://git.kernel.org/stable/c/2c148a31ca01fc160aceec777bbc0041b0d0b8bd git.kernel.org: https://git.kernel.org/stable/c/935e7b74bb2368f215cf8c2ad4bff60ee4e7589e git.kernel.org: https://git.kernel.org/stable/c/87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6