CVE-2025-21988
fs/netfs/read_collect: add to next->prev_donated
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: fs/netfs/read_collect: add to next->prev_donated If multiple subrequests donate data to the same "next" request (depending on the subrequest completion order), each of them would overwrite the `prev_donated` field, causing data corruption and a BUG() crash ("Can't donate prior to front").
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 2, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
ee4cdf7ba857a894ad1650d6ab77669cbbfa329e < 62b9ad7e52d4777f7e775ee1f0ad2452f6041024 ee4cdf7ba857a894ad1650d6ab77669cbbfa329e < e25cec3b76aba47a49138d2162fc809c6cd49c9e ee4cdf7ba857a894ad1650d6ab77669cbbfa329e < e2d46f2ec332533816417b60933954173f602121
Linux / Linux
6.12