CVE-2024-10934: openbsd Double Free — Fix

Description

In OpenBSD 7.5 before errata 008 and OpenBSD 7.4 before errata 021, avoid possible mbuf double free in NFS client and server implementation, do not use uninitialized variable in error handling of NFS server.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-415 CWE-415

CWE-457 CWE-457

Affected Products

Vendor	Product	Versions
openbsd	openbsd	< 7.4
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All
openbsd	openbsd	All

References

Advisories & Patches

https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/021_nfs.patch.sig https://ftp.openbsd.org/pub/OpenBSD/patches/7.5/common/008_nfs.patch.sig

Frequently Asked Questions

What is CVE-2024-10934? +

In OpenBSD 7.5 before errata 008 and OpenBSD 7.4 before errata 021, avoid possible mbuf double free in NFS client and server implementation, do not use uninitialized variable in error handling of NFS server. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-10934? +

CVE-2024-10934 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-10934? +

CVE-2024-10934 affects products from openbsd, specifically: openbsd. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-10934? +

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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