Use After Free in Linux Kernel

CVE-2023-1195

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.

Vulnerability class: Use-After-Free

EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-1195?
CVE-2023-1195 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2023-05-18.
How severe is CVE-2023-1195?
Medium severity. CVSS v3 base score is 5.5 out of 10.