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THREAT OPS › Threat News › [NVD] CVE-2026-64064 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_invalidate_folio() to clear dirty bit if all changes gone If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfs_folio struct

[NVD] CVE-2026-64064 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_invalidate_folio() to clear dirty bit if all changes gone If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfs_folio struct

lownvdPublished 2026-07-19

CVE-2026-64064 CVSS: 5.5 MEDIUM Published: 2026-07-19T16:17:46.937

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

netfs: Fix netfs_invalidate_folio() to clear dirty bit if all changes gone

If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfs_folio struct hung off of folio->private indicating the dirty rang

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-64064