drivers/scsi/bfa/bfa_core.c in the Linux kernel before 2.6.35 does not initialize a…
Priority LOW 25CWE-665Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.00391 33rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2011:0017 Released 2011-01-13 · Red Hat rating ImportantRed Hat Enterprise Linux 5.6 kernel security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-238.el5, kernel-2.6.18-238.el5.ia64, kernel-PAE-2.6.18-238.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-238.el5, kernel-PAE-2.6.18-238.el5, kernel-PAE-devel-2.6.18-238.el5 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:0017 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2011:0017 |
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4343
- 2026-10-03 Alias added: GHSA-6fq2-2mw9-3j26
References
Patch 5
- [oss-security] 20101209 Re: CVE request: kernel: bfa driver sysfs crash
- [linux-scsi] 20100521 [PATCH 1/2] bfa: fix system crash when reading sysfs fc_host statistics
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- [oss-security] 20101208 CVE request: kernel: bfa driver sysfs crash
- https://bugzilla.redhat.com/show_bug.cgi?id=661182
Advisory 1
Sources
- CVE-2010-4343 · CVE Program
- CVE-2010-4343 · NVD
- FIRST EPSS
- GHSA-6fq2-2mw9-3j26 · GitHub Advisory Database · CC BY 4.0
- CVE-2010-4343 · Red Hat security data · CC BY 4.0
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