VULNERABILITY INTELLIGENCE

CVE-2025-21988

CVSS score9.8 CRITICAL
EPSS probability0.40%
CISA KEVNot currently listed
Published2025-04-02
Last modified2026-07-30
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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").

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references