CVE-2026-80523

High

In the Linux kernel, the following vulnerability has been resolved: clk: spacemit: k3: set hdma clock as critical HDMA clock is responsible for the internal TCM access path of X100 RISC-V core, so set the clock flag as critical to prevent it from being shut off, otherwise the Linux system will hang, for example in the case of a vector instruction access generates a page fault.

Package Linux Kernel
Published 2026-08-26
Last modified 2026-08-27
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
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected versions

Linux kernel versions 7.0 and later are affected. Fixed in 7.1.10, 7.2 and their respective stable series.

Affected from
≥ 7.0
Fixed in
✓ 7.1.10 7.1.x ✓ 7.2

Frequently asked questions

  • What is CVE-2026-80523?

    CVE-2026-80523 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 . It affects Linux kernel versions from 7.0 onward and has been patched in 7.1.10 and 7.2. CVE-2026-80523 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2026-80523?

    CVE-2026-80523 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:N/S:C/C:N/I:N/A:H .

  • Is there a patch available for CVE-2026-80523?

    Yes. CVE-2026-80523 has been patched. Fixed versions include 7.1.10 and 7.2. If you are running Linux kernel 7.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-80523 actively exploited?

    No. CVE-2026-80523 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.