CVE-2023-52654

MEDIUM
Published May 14, 2024 Modified Sep 18, 2025

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.

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CVSS v3.1 Score

4.7
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/18824f592aad4124d79751bbc1500ea86ac3ff29 https://git.kernel.org/stable/c/3fe1ea5f921bf5b71cbfdc4469fb96c05936610e https://git.kernel.org/stable/c/5a33d385eb36991a91e3dddb189d8679e2aac2be https://git.kernel.org/stable/c/705318a99a138c29a512a72c3e0043b3cd7f55f4 https://git.kernel.org/stable/c/bcedd497b3b4a0be56f3adf7c7542720eced0792 https://git.kernel.org/stable/c/f2f57f51b53be153a522300454ddb3887722fb2c https://git.kernel.org/stable/c/18824f592aad4124d79751bbc1500ea86ac3ff29 https://git.kernel.org/stable/c/3fe1ea5f921bf5b71cbfdc4469fb96c05936610e https://git.kernel.org/stable/c/5a33d385eb36991a91e3dddb189d8679e2aac2be https://git.kernel.org/stable/c/705318a99a138c29a512a72c3e0043b3cd7f55f4 https://git.kernel.org/stable/c/bcedd497b3b4a0be56f3adf7c7542720eced0792 https://git.kernel.org/stable/c/f2f57f51b53be153a522300454ddb3887722fb2c

Frequently Asked Questions

What is CVE-2023-52654? +
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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).
How severe is CVE-2023-52654? +
CVE-2023-52654 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2023-52654? +
CVE-2023-52654 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-52654? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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