CVE-2025-21817
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
block: mark GFP_NOIO around sysfs ->store()
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()
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 1645cd7fd42c236c952e9228badcac4fea1829ea | affected | git | a09280c39ea54080daf19cfaf4a3121a8d17d5cd | Unavailable | None listed |
| 8985da5481562e96b95e94ed8e5cc9b6565eb82b | affected | git | 2566ce907e5d5db8a039647208e029ce559baa31 | Unavailable | None listed |
| c99f66e4084a62a2cc401c4704a84328aeddc9ec | affected | git | 7c0be4ead1f8f5f8be0803f347de0de81e3b8e1c | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.12.96 | affected | semver | 6.12.109 | Unavailable | None listed |
| 6.13.2 | affected | semver | 6.13.3 | Unavailable | None listed |