# CVE-2026-64058

## Summary

- **CVE ID:** CVE-2026-64058
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Jul 19, 2026
- **Last Modified:** Sep 14, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:

netfs: Fix netfs_read_folio() to wait on writeback

Fix netfs_read_folio() to wait for an ongoing writeback to complete so that
it can trust the dirty flag and whatever is attached to folio->private
(folio->private may get cleaned up by the collector before it clears the
writeback flag).

## Affected Products

- Linux — Linux (ee4cdf7ba857a894ad1650d6ab77669cbbfa329e)
- Linux — Linux (6.12)
- Linux — Linux (0)
- Linux — Linux (6.18.34)
- Linux — Linux (7.0.11)
- Linux — Linux (7.1)
- Linux — Linux (6.12.110)

## References

- [CNA](https://git.kernel.org/stable/c/f17b9121bb99f88188ec9be2db5da1d561f4c01b)
- [CNA](https://git.kernel.org/stable/c/b8271cccdd5e43cc8d738afb8b51f6ad05b1cb4b)
- [CNA](https://git.kernel.org/stable/c/ded0c6f1606061148c202825f7e53d711f9f84cf)
- [CNA](https://git.kernel.org/stable/c/090a8aa1894b72f5b3fc18dee68d42ad45f4a2c6)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.13%
- **EPSS Percentile:** 2.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._