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CVE-2026-53156

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: nvmem: core: fix use-after-free bugs in error paths Fix several instances of error paths in which we call __nvmem_device_put()…

Published Jun 25, 2026CWE-416EPSS 0.13%

Overview

CVE-2026-53156 is a high-severity vulnerability. It was published on June 25, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

nvmem: core: fix use-after-free bugs in error paths

Fix several instances of error paths in which we call

__nvmem_device_put() - which may end up freeing the underlying memory

and other resources - and then keep on using the nvmem structure. Always

put the reference to the nvmem device as the last step before returning

the error code.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/40e2a459c0dd1333b2343831480a0ad80dc07614Refgit.kernel.org/stable/c/5b6b6fc491899d583eaa75344e094796ae9b530bRefgit.kernel.org/stable/c/cb85ef5a227b3662b88f4d849a1aad43bfe7f5aeRefgit.kernel.org/stable/c/e0d38bf47a72da2f02c9fa6f752cd66d977cd7f7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53156?

CVE-2026-53156 is a high-severity vulnerability. It was published on June 25, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-53156?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-53156?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-53156?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53156 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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