Is CVE-2023-30438 in the CISA KEV catalog?

No. CVE-2023-30438 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-30438?

CVE-2023-30438 has a CVSS v3 base score of 9.3 (CRITICAL).

What is the EPSS score for CVE-2023-30438?

CVE-2023-30438 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-30438?

Upgrade powervm hypervisor to fw1030.11 or later.

CVE & CISA-KEV Catalog

CVE-2023-30438

CRITICAL

9.3

CVSS v3

NVD

Description

An internally discovered vulnerability in PowerVM on IBM Power9 and Power10 systems could allow an attacker with privileged user access to a logical partition to perform an undetected violation of the isolation between logical partitions which could lead to data leakage or the execution of arbitrary code in other logical partitions on the same physical server. IBM X-Force ID: 252706.

How to fix

Remediation Available

powervm hypervisorNVD

Affected:>= fw1030.00, < fw1030.11Fixed in:fw1030.11CVE-2023-30438derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Vendor Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.