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CVE-2026-53335

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lru_sort: handle ctx allocation failure DAMON_LRU_SORT allocates the damon_ctx object for its kdamond in its init func…

Published Jul 1, 2026CWE-476EPSS 0.13%

Overview

CVE-2026-53335 is a medium-severity vulnerability. It was published on July 1, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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:

mm/damon/lru_sort: handle ctx allocation failure

DAMON_LRU_SORT allocates the damon_ctx object for its kdamond in its init

function. damon_lru_sort_enabled_store() wrongly assumes the allocation

will always succeed once tried. If the damon_ctx allocation was failed,

therefore, code execution reaches to damon_commit_ctx() while 'ctx' is

NULL. As a result, it dereferences the NULL 'ctx' pointer. Avoid the

NULL dereference by returning -ENOMEM if 'ctx' is NULL.

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/6d48f15659395bf1381114f01be91bc68e0be46aRefgit.kernel.org/stable/c/ab04340b5ae5d52c1d46b750538febcde9d889e7Refgit.kernel.org/stable/c/daab1996431a71f43219dcac48ecc9ad2aad3f1c

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53335?

CVE-2026-53335 is a medium-severity vulnerability. It was published on July 1, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-53335?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-53335?

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-2026-53335?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53335 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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