CVE-2026-97520

High

In the Linux kernel, the following vulnerability has been resolved: gfs2: move quota_init qc iterator increment Move qc++ from the loop body into the for-loop increment expression in gfs2_quota_init(). This keeps iterator progression explicit and avoids mixing pointer advance with duplicate-slot handling in the loop body.

Package Linux Kernel
Published 2026-09-24
Last modified 2026-09-28
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.1

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

Affected versions

Linux kernel versions 6.11 and later are affected. Fixed in 6.12.111, 6.18.53, 7.2 and their respective stable series.

Affected from
≥ 6.11
Fixed in
✓ 6.12.111 6.12.x ✓ 6.18.53 6.18.x ✓ 7.2

References

3 total

Frequently asked questions

  • What is CVE-2026-97520?

    CVE-2026-97520 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 . It affects Linux kernel versions from 6.11 onward and has been patched in 6.12.111, 6.18.53 and 7.2. CVE-2026-97520 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2026-97520?

    CVE-2026-97520 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H .

  • Is there a patch available for CVE-2026-97520?

    Yes. CVE-2026-97520 has been patched. Fixed versions include 6.12.111, 6.18.53 and 7.2. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-97520 actively exploited?

    No. CVE-2026-97520 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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