CVE-2023-1195

MEDIUM

Linux Kernel < 6.1 - Use-After-Free in CIFS Hostname Handling

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 10.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (2)
linux/linux_kernel 6.1 rc1 (2 CPE variants)
linux/linux_kernel < 6.1
Published May 18, 2023
Tracked Since Feb 18, 2026