CVE-2026-53045 Linux CVE debrief

Who should care

System administrators and security teams responsible for Linux kernel-based systems should be aware of this vulnerability. They should assess their systems for exposure and apply patches or mitigations as necessary. This vulnerability can be exploited remotely, and its exploitation can lead to a compromise of confidentiality, integrity, and availability.

Technical summary

The vulnerability is in the memory: tegra124-emc component of the Linux kernel. The code checking whether the specified memory timing enables DLL in the EMRS register was reversed. DLL is enabled if bit A0 is low. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. This indicates that the vulnerability can be exploited remotely, and its exploitation can lead to a compromise of confidentiality, integrity, and availability.

Defensive priority

High. This vulnerability has a CVSS score of 9.8 and can be exploited remotely. System administrators and security teams should prioritize patching or mitigating this vulnerability.

Recommended defensive actions

• Assess systems for exposure and apply patches or mitigations as necessary.
• Review system configurations and ensure that they are in line with security best practices.
• Monitor system logs for potential exploitation attempts.
• Implement compensating controls, such as network segmentation or access controls, to limit the attack surface.
• Consider implementing additional security measures, such as intrusion detection or prevention systems.

Evidence notes

The CVE record and NVD detail provide information about the vulnerability. The source item URL provides additional information about the vulnerability, including references to kernel.org. The CVE.org record and NVD detail provide official information about the vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.