Vulnerability in Linux

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-53006: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

  • Linux — versions 8ef130f9ec27973f7b49e20c5a3b9134ca33026c, 4.16, 0
  • Linux Kernel — versions 6.2

References

Frequently asked questions

What is CVE-2023-53006?
CVE-2023-53006 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2025-03-27.
How severe is CVE-2023-53006?
Critical severity. CVSS v3 base score is 9.8 out of 10.