CVE-2023-53006: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uncleared server->smbd_conn in reconnect In smbd_destroy(), clear the server->smbd_conn pointer after freeing the smbd_connection struct that it points to so that reconnection doesn't get confused.

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CVSS v3.1 Score

5.5

MEDIUM

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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.16 — 4.19.272
linux	linux_kernel	4.20 — 5.4.231
linux	linux_kernel	5.5 — 5.10.166
linux	linux_kernel	5.11 — 5.15.91
linux	linux_kernel	5.16 — 6.1.9
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/4b83bc6f87eedab4599b0123e572a422689444be https://git.kernel.org/stable/c/5109607a4ece7cd8536172bf7549eb4dce1f3576 https://git.kernel.org/stable/c/91be54849d5392050f5b847b42bd5e6221551ac8 https://git.kernel.org/stable/c/a9640c0b268405f2540e8203a545e930ea88bb7d https://git.kernel.org/stable/c/b7ab9161cf5ddc42a288edf9d1a61f3bdffe17c7 https://git.kernel.org/stable/c/e037baee16e0b9ace7e730888fcae9cec11daff2

Frequently Asked Questions

What is CVE-2023-53006? +

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uncleared server->smbd_conn in reconnect In smbd_destroy(), clear the server->smbd_conn pointer after freeing the smbd_connection struct that it points to so that reconnection doesn't get confused. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53006? +

CVE-2023-53006 has a CVSS v3.1 score of 5.5 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-2023-53006? +

CVE-2023-53006 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-2023-53006? +

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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