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CVE-2026-53335
mm/damon/lru_sort: handle ctx allocation failure
Overview
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.

Details
INFO

Published Date :

July 1, 2026, 2:16 p.m.

Last Modified :

July 1, 2026, 2:16 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Impact
Affected Products

The following products are affected by CVE-2026-53335 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Handle context allocation failure to prevent NULL pointer dereference.
  • Apply the patch to the Linux kernel.
  • Ensure context allocation failures are properly handled.
  • Avoid dereferencing NULL pointers in damon_commit_ctx().
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-53335.

URL Resource
https://git.kernel.org/stable/c/6d48f15659395bf1381114f01be91bc68e0be46a
https://git.kernel.org/stable/c/ab04340b5ae5d52c1d46b750538febcde9d889e7
https://git.kernel.org/stable/c/daab1996431a71f43219dcac48ecc9ad2aad3f1c
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-53335 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-53335 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-53335 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-53335 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jul. 01, 2026

    Action Type Old Value New Value
    Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c4a8e662c839ac0003e4781aa324cb2d68ed9cb1', 'lessThan': '6d48f15659395bf1381114f01be91bc68e0be46a', 'versionType': 'git'}, {'status': 'affected', 'version': 'c4a8e662c839ac0003e4781aa324cb2d68ed9cb1', 'lessThan': 'daab1996431a71f43219dcac48ecc9ad2aad3f1c', 'versionType': 'git'}, {'status': 'affected', 'version': 'c4a8e662c839ac0003e4781aa324cb2d68ed9cb1', 'lessThan': 'ab04340b5ae5d52c1d46b750538febcde9d889e7', 'versionType': 'git'}], 'programFiles': ['mm/damon/lru_sort.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.18'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.18', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.36', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.13', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['mm/damon/lru_sort.c'], 'defaultStatus': 'affected'}]
    Added 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.
    Added Reference https://git.kernel.org/stable/c/6d48f15659395bf1381114f01be91bc68e0be46a
    Added Reference https://git.kernel.org/stable/c/ab04340b5ae5d52c1d46b750538febcde9d889e7
    Added Reference https://git.kernel.org/stable/c/daab1996431a71f43219dcac48ecc9ad2aad3f1c
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
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