How severe is CVE-2023-38426?

CVE-2023-38426 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2023-38426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38426?

CVE-2023-38426 primarily affects Netapp Solidfire & Hci Management Node. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-38426?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-38426 published?

CVE-2023-38426 was published on 2023-07-18 and last updated on 2026-06-17.

CVE-2023-38426

CVE-2023-38426 is a critical-severity vulnerability in Netapp Solidfire & Hci Management Node with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Netapp Solidfire & Hci Management Node
Published: 2023-07-18
Last modified: 2026-06-17

Description

An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals when create_context's name_len is larger than the tag length.

Frequently asked questions

What is CVE-2023-38426?: An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals when create_context's name_len is larger than the tag length.
How severe is CVE-2023-38426?: CVE-2023-38426 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2023-38426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38426?: CVE-2023-38426 primarily affects Netapp Solidfire & Hci Management Node. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-38426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-38426 published?: CVE-2023-38426 was published on 2023-07-18 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

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