High [CVE-2026-43503] Linux Kernel Vulnerability in NetApp Products
This high-severity NetApp advisory covers CVE-2026-43503 affecting NetApp HCI Baseboard Management Controller (BMC) - H610S.
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Summary
Linux kernel versions 3.9-rc1 through 5.10.256, 5.11-rc1 through 5.15.207, 5.16-rc1 through 6.1.173, 6.13-rc1 through 6.18.32, 6.19-rc1 through 7.0.9, 6.2-rc1 through 6.6.140, 6.7-rc1 through 6.12.90 and 7.1-rc1 through 7.1-rc4 are susceptible to a vulnerability which when successfully exploited could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS).
Affected products: NetApp HCI Baseboard Management Controller (BMC) - H610S. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status.
NetApp states there is no workaround available at this time.
- 5.10.256
- 5.11
- 5.15.207
- 5.16
- 6.1.173
- 6.13
- 6.18.32
- 6.19
- 7.0.9
- 6.6.140
- 6.12.90
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- NetApp HCI Baseboard Management Controller (BMC) - H610S has no planned fix; migrate to a supported release or product and consult NetApp's end-of-support notice.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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