CVE-2026-80897

netfs: release readahead folios on iterator preparation failure

N/A
Published: September 4, 2026 at 05:11 PM UTC
Updated: October 21, 2026 at 01:20 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

06fa229ceb36898e68022b5654c017d2c6582d7d6.146fa229ceb36898e68022b5654c17d2c6582d7de0186fa7436e55db10cecc2308749e2a877269a5
Vendor states this is fixed in 2c148a31ca01fc160aceec777bbc0041b0d0b8bd (fixed)
Vendor states this is fixed in 87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6 (fixed)
Vendor states this is fixed in 935e7b74bb2368f215cf8c2ad4bff60ee4e7589e (fixed)
Vendor states this is fixed in 6.14 (unaffected)
Vendor states this is fixed in 6.18.44 (unaffected)
Vendor states this is fixed in 7.1.8 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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