Critical severity · published Jul 19, 2026
CVE-2026-64068
netfs: Fix missing locking around retry adding new subreqs
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
6.10 before 7.0.11; 7.1; 7.1; 7.1; 7.1 · source: NVD
LI
Linux · Linux
288ace2f57c9d06dd2e42bd80d03747d879a4068 before f59c4ec86ef3a9ac99706ae163a38ec28129fd76; 288ace2f57c9d06dd2e42bd80d03747d879a4068 before d5c9d19b0ff2f7153532ac238a5e96fed2df315c; 288ace2f57c9d06dd2e42bd80d03747d879a4068 before 393f3f0d7353a94b1e0bc4ca89c683fe983e5fd2; 288ace2f57c9d06dd2e42bd80d03747d879a4068 before cce18c263e9623872327ba3c956012f73c1179cc; 6.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-64068
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-64068
Patch
https://git.kernel.org/stable/c/393f3f0d7353a94b1e0bc4ca89c683fe983e5fd2
Patch
https://git.kernel.org/stable/c/cce18c263e9623872327ba3c956012f73c1179cc
git.kernel.org
https://git.kernel.org/stable/c/d5c9d19b0ff2f7153532ac238a5e96fed2df315c
git.kernel.org
https://git.kernel.org/stable/c/f59c4ec86ef3a9ac99706ae163a38ec28129fd76
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