CVE-2026-53335
mm/damon/lru_sort: handle ctx allocation failure
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.
INFO
Published Date :
July 1, 2026, 1:32 p.m.
Last Modified :
July 1, 2026, 1:32 p.m.
Remotely Exploit :
No
Source :
Linux
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.
No affected product recoded yet
Solution
- Apply the patch to the Linux kernel.
- Ensure context allocation failures are properly handled.
- Avoid dereferencing NULL pointers in damon_commit_ctx().
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CVE-2026-53335 vulnerability anywhere in the article.