CVE-2025-21817
block: mark GFP_NOIO around sysfs ->store()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: block: mark GFP_NOIO around sysfs ->store() sysfs ->store is called with queue freezed, meantime we have several ->store() callbacks(update_nr_requests, wbt, scheduler) to allocate memory with GFP_KERNEL which may run into direct reclaim code path, then potential deadlock can be caused. Fix the issue by marking NOIO around sysfs ->store()
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 27, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
8985da5481562e96b95e94ed8e5cc9b6565eb82b < 2566ce907e5d5db8a039647208e029ce559baa31 c99f66e4084a62a2cc401c4704a84328aeddc9ec < 7c0be4ead1f8f5f8be0803f347de0de81e3b8e1c
Linux / Linux
6.13.2 < 6.13.3