Critical severity · published Aug 15, 2026
CVE-2026-72355
netfs: Fix barriering when walking subrequest list
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
netfs: Fix barriering when walking subrequest list
Fix the barriering used when walking the subrequest list in retry as
there's a possibility of seeing a subreq that's just been added by the
application thread.
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)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
288ace2f57c9d06dd2e42bd80d03747d879a4068 before 4cca4b44e561a19c77cb1949ae6846da0539db40; 288ace2f57c9d06dd2e42bd80d03747d879a4068 before be47c047250671c9225c0319ca4695be9b391c59; 288ace2f57c9d06dd2e42bd80d03747d879a4068 before 5c6ce05e406520290c1d89da97fb3cd70c09137d; 6.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-72355
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-72355
git.kernel.org
https://git.kernel.org/stable/c/4cca4b44e561a19c77cb1949ae6846da0539db40
git.kernel.org
https://git.kernel.org/stable/c/5c6ce05e406520290c1d89da97fb3cd70c09137d
git.kernel.org
https://git.kernel.org/stable/c/be47c047250671c9225c0319ca4695be9b391c59
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