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.

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.

EPSS: 0.002 (8.9th percentile) — read the EPSS interpretation.

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.

Affected products

Linux — versions 8ef130f9ec27973f7b49e20c5a3b9134ca33026c, 4.16, 0
Linux Linux_kernel — versions 6.2

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

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.