Bug 2502548 (CVE-2026-64068) - CVE-2026-64068 kernel: netfs: Fix missing locking around retry adding new subreqs
Summary: CVE-2026-64068 kernel: netfs: Fix missing locking around retry adding new sub...
Keywords:
Status: NEW
Alias: CVE-2026-64068
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-19 17:05 UTC by OSIDB Bzimport
Modified: 2026-07-20 13:41 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-07-19 17:05:30 UTC 
In the Linux kernel, the following vulnerability has been resolved:

netfs: Fix missing locking around retry adding new subreqs

Fix netfs_retry_read_subrequests() and netfs_retry_write_stream() to take
the appropriate lock when adding extra subrequests into
stream->subrequests.
Comment 1 TEJ RATHI 2026-07-20 13:32:18 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026071912-CVE-2026-64068-4225@gregkh/T
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