PT-2022-6432 · Linux+7 · Linux Kernel+7

Published 2022-10-02 · Updated 2025-03-18 · CVE-2023-1195

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a use-after-free flaw in the reconn set ipaddr from hostname function in fs/cifs/connect.c of the Linux kernel. This flaw occurs when the function forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request. The exploitation of this issue may allow an attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-457

CWE-416

Related Identifiers

ALSA-2023:2148

ALSA-2023:2458

ALSA-2023:2736

ALSA-2023:2951

ALT-PU-2022-3364

ALT-PU-2022-3371

ALT-PU-2023-1023

ALT-PU-2023-1064

ALT-PU-2023-1684

ALT-PU-2023-1741

ALT-PU-2023-1814

ALT-PU-2023-4894

AZL-26798

BDU:2023-01274

CESA-2023_2736

CESA-2023_2951

CVE-2023-1195

RHSA-2023:2148

RHSA-2023:2458

RHSA-2023:2736

RHSA-2023:2951

RHSA-2023_2148

RHSA-2023_2458

RHSA-2023_2736

RHSA-2023_2951

RHSA-2024:0412

RHSA-2024:0431

RHSA-2024:0432

SUSE-SU-2023:0779-1

USN-5970-1

USN-5979-1

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

Linux Kernel

Red Hat

Suse

Ubuntu

References · 196

• https://github.com/torvalds/linux/commit/153695d36ead0ccc4d0256953c751cabf673e621 · Patch
• https://ubuntu.com/security/CVE-2022-4382 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2023:2736 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2023-2458.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-1195 · Security Note
• https://ubuntu.com/security/CVE-2022-42328 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2023-2736.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-23559 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:0779-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5979-1 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2023-2458.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-2196 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2023-2951.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5979-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-1195 · Security Note