CVE-2025-21988 - CVE House
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Status published Unknown CVE-2025-21988

fs/netfs/read_collect: add to next->prev_donated

Vulnerability Description

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").

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
ee4cdf7ba857a894ad1650d6ab77669cbbfa329e, 6.12, 0, 6.12.20, 6.13.8, 6.14

Timeline

Official Publish: April 2nd, 2025
Last Modified: May 11th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.