PT-2023-1055 · Linux+5 · Linux Kernel+5

Hrvoje Mišetić · Published 2023-01-01 · Updated 2025-02-20 · CVE-2023-0210

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Description The issue is related to a heap overflow vulnerability in the ksmbd decode ntlmssp auth blob function of the Linux kernel's ksmbd module. This vulnerability can be exploited by a remote attacker to cause a denial of service. The vulnerability affects the Linux kernel's ksmbd NTLMv2 authentication and can crash the OS immediately in Linux-based systems.

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

Exploit

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

ALT-PU-2023-1039

ALT-PU-2023-1042

ALT-PU-2023-1044

ALT-PU-2023-1126

ALT-PU-2023-7007

ALT-PU-2023-7682

ALT-PU-2024-4263

ALT-PU-2024-4843

BDU:2023-00164

CVE-2023-0210

MGASA-2023-0007

MGASA-2023-0008

OESA-2023-1053

OESA-2023-1056

USN-5915-1

USN-5982-1

USN-5987-1

USN-6004-1

USN-6079-1

USN-6091-1

USN-6096-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Linux Kernel

Red Os

Ubuntu

References · 108

• 🔥 https://securityonline.info/cve-2023-0210-flaw-in-linux-kernel-allows-unauthenticated-remote-dos-attacks · Exploit
• 🔥 https://openwall.com/lists/oss-security/2023/01/04/1 · Exploit
• https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-0210 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5987-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-0210 · Security Note
• https://ubuntu.com/security/CVE-2022-4842 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1074 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-23454 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-0210 · Security Note
• https://ubuntu.com/security/CVE-2022-4379 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-0459 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1056 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-4129 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-0458 · Vendor Advisory