CVE-2025-38258
mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write memcg_path_store() assigns a newly allocated memory buffer to filter->memcg_path, without deallocating the previously allocated and assigned memory buffer. As a result, users can leak kernel memory by continuously writing a data to memcg_path DAMOS sysfs file. Fix the leak by deallocating the previously set memory buffer.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 9, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
7ee161f18b5da5170b5d6a51aace49d312099128 < 490a43d07f1663d827e802720d30cbc0494e4f81 7ee161f18b5da5170b5d6a51aace49d312099128 < c5d5b0047b0c0f304608f3824139f7bd34c48413 7ee161f18b5da5170b5d6a51aace49d312099128 < 4a158ac0538dd5695eeaa00aa0720d711f3e4ef1 7ee161f18b5da5170b5d6a51aace49d312099128 < 4f489fe6afb395dbc79840efa3c05440b760d883
Linux / Linux
6.3
References
git.kernel.org: https://git.kernel.org/stable/c/490a43d07f1663d827e802720d30cbc0494e4f81 git.kernel.org: https://git.kernel.org/stable/c/c5d5b0047b0c0f304608f3824139f7bd34c48413 git.kernel.org: https://git.kernel.org/stable/c/4a158ac0538dd5695eeaa00aa0720d711f3e4ef1 git.kernel.org: https://git.kernel.org/stable/c/4f489fe6afb395dbc79840efa3c05440b760d883