Riskcovery

CVE-2025-68294

io_uring/net: ensure vectored buffer node import is tied to notification

State
Published
Severity
7.8 High
Published
Dec 16, 2025
Updated
Aug 5, 2026
Reserved
Dec 16, 2025

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

io_uring/net: ensure vectored buffer node import is tied to notification

When support for vectored registered buffers was added, the import itself is using 'req' rather than the notification io_kiocb, sr->notif. For non-vectored imports, sr->notif is correctly used. This is important as the lifetime of the two may be different. Use the correct io_kiocb for the vectored buffer import.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 23371eac7d9a9bca5360cfb3eb3aa08648ee7246 to before 14459281e027f23b70885c1cc1032a71c0efd8d7Affected
  • 23371eac7d9a9bca5360cfb3eb3aa08648ee7246 to before f6041803a831266a2a5a5b5af66f7de0845bcbf3Affected
LinuxLinux
  • 6.15Affected
  • before 6.15Not affected
  • 6.17.11 through 6.17.*Not affected
  • 6.18 and laterNot affected

References

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