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CVE-2026-64058

netfs: Fix netfs_read_folio() to wait on writeback

HIGH
7.8
CVSS Score
Published: July 19, 2026 at 03:39 PM UTC
Updated: September 14, 2026 at 12:34 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%

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

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

Linux Kernel· Linux
95%
6.12 ≤ v < 6.12.1106.12 ≤ v < 6.18.346.12 ≤ v < 7.0.116.12 ≤ v < 7.16.19 ≤ v < 7.0.117.1 rc17.1 rc27.1 rc37.1 rc4ee4cdf7ba857a894ad1650d6ab77669cbbfa329e
Vendor states this is fixed in 090a8aa1894b72f5b3fc18dee68d42ad45f4a2c6 (fixed)
Vendor states this is fixed in b8271cccdd5e43cc8d738afb8b51f6ad05b1cb4b (fixed)
Vendor states this is fixed in ded0c6f1606061148c202825f7e53d711f9f84cf (fixed)
Vendor states this is fixed in f17b9121bb99f88188ec9be2db5da1d561f4c01b (fixed)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.12.110 (unaffected)
Vendor states this is fixed in 6.18.34 (unaffected)
Vendor states this is fixed in 7.0.11 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

References (4)

Patch
Source: cverecord
https://git.kernel.org/stable/c/f17b9121bb99f88188ec9be2db5da1d561f4c01b
Patch
Source: cverecord
https://git.kernel.org/stable/c/b8271cccdd5e43cc8d738afb8b51f6ad05b1cb4b
Patch
Source: cverecord
https://git.kernel.org/stable/c/ded0c6f1606061148c202825f7e53d711f9f84cf
Source: cverecord
https://git.kernel.org/stable/c/090a8aa1894b72f5b3fc18dee68d42ad45f4a2c6

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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