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").
History

Fri, 11 Apr 2025 03:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-99

Thu, 03 Apr 2025 02:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate


Wed, 02 Apr 2025 13:15:00 +0000

Type Values Removed Values Added
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").
Title fs/netfs/read_collect: add to next->prev_donated
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-04-02T12:53:12.170Z

Reserved: 2024-12-29T08:45:45.800Z

Link: CVE-2025-21988

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-04-02T13:15:43.317

Modified: 2025-04-02T14:58:07.527

Link: CVE-2025-21988

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-04-02T00:00:00Z

Links: CVE-2025-21988 - Bugzilla