CVE-2010-4343

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-12-29 · updated 2026-06-16
Weakness: CWE-665

Description

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.

Affected products

Linux kernel: before 2.6.35 — fixed in 2.6.35
VMware ESX: 4.0, 4.1

How to fix

Upgrade to a fixed version: Linux kernel 2.6.35. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7873ca4e4401f0ecd8868bf1543113467e6bae61
http://secunia.com/advisories/42884
http://secunia.com/advisories/46397
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
http://www.openwall.com/lists/oss-security/2010/12/08/3
http://www.openwall.com/lists/oss-security/2010/12/09/15
http://www.redhat.com/support/errata/RHSA-2011-0017.html
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.securityfocus.com/bid/45262
http://www.spinics.net/lists/linux-scsi/msg43772.html
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
https://bugzilla.redhat.com/show_bug.cgi?id=661182

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