CVE-2026-64068

CRITICAL9.8

netfs: Fix missing locking around retry adding new subreqs

Published Jul 19, 2026

Modified 3 days ago

Details

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.

References

WEB

https://git.kernel.org/stable/c/393f3f0d7353a94b1e0bc4ca89c683fe983e5fd2

WEB

https://git.kernel.org/stable/c/cce18c263e9623872327ba3c956012f73c1179cc

WEB

https://git.kernel.org/stable/c/d5c9d19b0ff2f7153532ac238a5e96fed2df315c

WEB

https://git.kernel.org/stable/c/f59c4ec86ef3a9ac99706ae163a38ec28129fd76

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-64068

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedJul 19, 2026

ModifiedOct 21, 2026

CVE-2026-64068 | Mondoo Vulnerability Intelligence