CVE-2023-0210 Memory corruption in Linux Kernel

What is CVE-2023-0210?

CVE-2023-0210 is a high-severity memory corruption vulnerability in Linux kernel, published on 27 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2023-0210?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-0210?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-0210 being exploited?

There is no known exploitation of CVE-2023-0210 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-0210, GHSA-mw67-65x5-h28p, UBUNTU-CVE-2023-0210.