- Vulnerability/
- CVE-2025-21988
CVE-2025-21988: fs/netfs/read_collect: add to next->prev_donated
First published: Wed Apr 02 2025(Updated: )
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").
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the severity of CVE-2025-21988?
CVE-2025-21988 has been classified with a severity rating that indicates a potential risk in the Linux Kernel.
How do I fix CVE-2025-21988?
To fix CVE-2025-21988, update your Linux Kernel to the latest patched version that addresses this vulnerability.
Which systems are affected by CVE-2025-21988?
CVE-2025-21988 affects various versions of the Linux Kernel.
What are the potential impacts of exploiting CVE-2025-21988?
Exploiting CVE-2025-21988 may lead to data corruption and instability in systems using the affected Linux Kernel.
Is there a workaround for CVE-2025-21988?
Currently, there is no known workaround for CVE-2025-21988; updating the Kernel is the recommended action.
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/title
- agent/type
- agent/description
- agent/first-publish-date
- agent/guess-ai
- agent/software-canonical-lookup
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/source
- agent/last-modified-date
- agent/author
- agent/tags
- agent/event
- vendor/linux
- canonical/linux kernel