CVE-2023-32255 (CVSS 5.3)

Description

A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-772 CWE-772

References

Other References

https://access.redhat.com/security/cve/CVE-2023-32255 https://bugzilla.redhat.com/show_bug.cgi?id=2385884 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d7cb549c2ca20e1f07593f15e936fd54b763028 https://www.zerodayinitiative.com/advisories/ZDI-23-703/

Frequently Asked Questions

What is CVE-2023-32255? +

A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2023-32255? +

CVE-2023-32255 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2023-32255? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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