PT-2026-61384 · Linux+1 · Linux Kernel+1
CVE-2026-64067
·
Published
2026-07-19
·
Updated
2026-09-07
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the netfs component where the list of subrequests attached to
stream->subrequests is accessed without locks by the functions netfs collect read results() and netfs collect write results(). These functions access subreq->flags without implementing a barrier after retrieving the subreq pointer from the list. Additionally, the functions responsible for building the list lack a write barrier, which may prevent the NETFS SREQ IN PROGRESS flag from being perceived as set when no lock is used.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Locking
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Weakness Enumeration
Related Identifiers
Affected Products
Linux Kernel
Ubuntu