What is CVE-2010-4343?

CVE-2010-4343 is a medium-severity vulnerability in Linux Kernel, classified under Improper Initialization. CVSS score: 5.5/10. Published 2010-12-29.

How severe is CVE-2010-4343?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux Kernel

CVE-2010-4343

drivers/scsi/bfa/bfa_core.c in the Linux kernel before 2.6.35 does not initialize a certain port data structure, which allows local users to cause a denial of service (system crash) via read operations on an fc_host statistics file.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

Published 2010-12-29 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.7th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linux Kernel
VMware Esx — versions 4.0, 4.1

Weakness classification (CWE)

CWE-665 — Improper Initialization

References

www.securityfocus.com/bid/45262 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2010/12/09/15 (mailing-list, Patch, Mailing List, Third Party Advisory)
www.securityfocus.com/archive/1/520102/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
www.redhat.com/support/errata/RHSA-2011-0017.html (vendor-advisory, Broken Link)
secunia.com/advisories/46397 (Broken Link, third-party-advisory)
www.spinics.net/lists/linux-scsi/msg43772.html (mailing-list, Patch, Mailing List, Third Party Advisory)
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35 (Broken Link)
www.vmware.com/security/advisories/VMSA-2011-0012.html (Patch, Third Party Advisory)
secunia.com/advisories/42884 (Broken Link, third-party-advisory)
www.openwall.com/lists/oss-security/2010/12/08/3 (mailing-list, Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2010-4343?: CVE-2010-4343 is a medium-severity vulnerability in Linux Kernel, classified under Improper Initialization. CVSS score: 5.5/10. Published 2010-12-29.
How severe is CVE-2010-4343?: Medium severity. CVSS v3 base score is 5.5 out of 10.