What is CVE-2026-53045?

CVE-2026-53045 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10, affecting Linux kernel versions from 4.2 onward and patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-53045 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-53045?

CVE-2026-53045 has a CVSS score of 9.8 out of 10, rated Critical severity. 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-2026-53045?

Yes, CVE-2026-53045 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-53045 actively exploited?

CVE-2026-53045 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-53045

Critical

In the Linux kernel, the following vulnerability has been resolved: memory: tegra124-emc: Fix dll_change check The code checking whether the specified memory timing enables DLL in the EMRS register was reversed. DLL is enabled if bit A0 is low. Fix the check.

Package Linux Kernel

Published 2026-06-24

Last modified 2026-07-21

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 4.2 and later are affected. Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1 and their respective stable series.

Affected from

≥ 4.2

Fixed in

✓ 5.10.258 5.10.x ✓ 5.15.209 5.15.x ✓ 6.1.175 6.1.x ✓ 6.6.141 6.6.x ✓ 6.12.91 6.12.x ✓ 6.18.33 6.18.x ✓ 7.0.10 7.0.x ✓ 7.1

References

8 total

Kernel Git
https://git.kernel.org/stable/c/05f138fc7e27ee8e7a83ccf966c3fa26cda44dda

Patch
Kernel Git
https://git.kernel.org/stable/c/1793249c067a4b28e1aba0ad0e4d73aa9f9e165a

Patch
Kernel Git
https://git.kernel.org/stable/c/1ebbbef47d11cc90219c081492ccf995aaa3e9b3

Patch
Kernel Git
https://git.kernel.org/stable/c/2369b1831161356e1bcb51385d3e532dc4fe2771

Patch
Kernel Git
https://git.kernel.org/stable/c/7e19e72f306484996c52ff96cc92f69b78ed5435

Patch

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2026-53045

Severity Critical

CVSS score 9.8 / 10

CVSS version 3.1

Published 2026-06-24

Modified 2026-07-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-53045?

CVE-2026-53045 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 . It affects Linux kernel versions from 4.2 onward and has been patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-53045 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-53045?

CVE-2026-53045 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-2026-53045?

Yes. CVE-2026-53045 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-53045 actively exploited?

No. CVE-2026-53045 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.