PT-2023-8713 · Linux+3 · Linux Kernel+3

Kunwu Chan · Published 2023-11-24 · Updated 2024-10-11 · CVE-2023-52465

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 null pointer dereference in the smb2 probe() function. This can be exploited to cause a denial of service. The devm kasprintf and devm kzalloc functions return a pointer to dynamically allocated memory, which can be NULL upon failure.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2024-01658

CVE-2023-52465

USN-6765-1

USN-6818-1

USN-6818-2

USN-6818-3

USN-6818-4

USN-6819-1

USN-6819-2

USN-6819-3

USN-6819-4

Affected Products

Linuxmint

Linux Kernel

Red Os

Ubuntu

References · 495

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52465.json · Exploit
• https://ubuntu.com/security/CVE-2024-26644 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14584 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52617 · Security Note
• https://bdu.fstec.ru/vul/2024-01860 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52635 · Security Note
• https://ubuntu.com/security/notices/USN-6818-4 · Vendor Advisory
• https://git.kernel.org/stable/c/88f04bc3e737155e13caddf0ba8ed19db87f0212 · Patch
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26586 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52451 · Security Note
• https://ubuntu.com/security/CVE-2024-26618 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52470 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-04147 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52465 · Security Note
• https://ubuntu.com/security/CVE-2023-52618 · Vendor Advisory