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Vulnerabilities CVE-2023-52654

CVE-2023-52654

High
Open
TLP:CLEAR

io_uring/af_unix: disable sending io_uring over sockets

AI Analysis

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Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/af_unix: disable sending io_uring over sockets File reference cycles have caused lots of problems for io_uring in the past, and it still doesn't work exactly right and races with unix_stream_read_generic(). The safest fix would be to completely disallow sending io_uring files via sockets via SCM_RIGHT, so there are no possible cycles invloving registered files and thus rendering SCM accounting on the io_uring side unnecessary.

Details

CVSS Score
7.8
EPSS Score
0.89%

56.1th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
May 9, 2024
Last Modified
Aug 5, 2026
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