zfs update for Lua

Published: 2024-02-26
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-24370
Exploitation vector Network
Public exploit N/A
Vulnerable software
Other software / Other software solutions

Vendor openzfs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer underflow

EUVDB-ID: #VU45992

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-24370

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No


The vulnerability allows a remote non-authenticated attacker to perform service disruption.

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).


Install update from vendor's website.

Vulnerable software versions

zfs: 2.0.0 - 2.2.99

External links


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.