SARA / Free Tools / CVE / CVE-2023-0210

CVE-2023-0210 — A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to cra

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

CVSS

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EPSS

0.67% (top 28.90%)

CWE

CWE-122

Published

2023-03-27T00:00:00.000Z

Last modified

2025-02-19T16:10:39.887Z

CVSS vector

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01What is this vulnerability?

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

Vendor	Product	Versions
n	a / Linux Kernel	Kernel 6.2 RC4

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

www.openwall.com — https://www.openwall.com/lists/oss-security/2023/01/04/1
www.openwall.com — https://www.openwall.com/lists/oss-security/2023/01/11/1
git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit
securityonline.info — https://securityonline.info/cve-2023-0210-flaw-in-linux-kernel-allows-unauthenti…
security.netapp.com — https://security.netapp.com/advisory/ntap-20230517-0002/
git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=79…
github.com — https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b2…

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