CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It affects Linux.
CVE
CVE-2025-21988
Severity
CRITICAL
CVSS
9.8
EPSS
0.36%
Linux
Original NVD 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").
Related CVEs
Other vulnerabilities affecting the same vendor(s)