CVE-2023-1195

Name: CVE-2023-1195
Creator: NVD / NIST
Published: 2023-05-18T22:15:09.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2023-1195 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	< 6.1	—
Linux	Linux Kernel	6.1	Rc1

References

Timeline

Published: May 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1195?

How severe is CVE-2023-1195?

CVE-2023-1195 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1195?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1195?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST