CVE-2026-72355

Critical

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.

Package Linux Kernel
Published 2026-08-15
Last modified 2026-09-21
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

9.8

out of 10
Critical
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected versions

Linux kernel versions 6.10 and later are affected. Fixed in 6.18.53, 7.1.5, 7.2 and their respective stable series.

Affected from
≥ 6.10
Fixed in
✓ 6.18.53 6.18.x ✓ 7.1.5 7.1.x ✓ 7.2

References

3 total

Frequently asked questions

  • What is CVE-2026-72355?

    CVE-2026-72355 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 . It affects Linux kernel versions from 6.10 onward and has been patched in 6.18.53, 7.1.5 and 7.2. CVE-2026-72355 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2026-72355?

    CVE-2026-72355 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2026-72355?

    Yes. CVE-2026-72355 has been patched. Fixed versions include 6.18.53, 7.1.5 and 7.2. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-72355 actively exploited?

    No. CVE-2026-72355 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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