linux: In the Linux kernel, the following vulnerability has been resolved: fs/netfs/read_collect: add to next->prev_donated...
CVE-2025-21988 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-21988, released April 2, 2025. It is not reported as exploited. Patch Radar priority: Routine.
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").
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 13.5 (trixie) | 6.12.20-1 | DEBIAN-CVE-2025-21988 | Apr 2, 2025 |
| linux · Debian 14 | 6.12.20-1 | DEBIAN-CVE-2025-21988 | Apr 2, 2025 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.