How severe is CVE-2023-31325?

CVE-2023-31325 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-31325 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31325?

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

Does CVE-2023-31325 have an EU (EUVD) identifier?

Yes. CVE-2023-31325 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35636.

When was CVE-2023-31325 published?

CVE-2023-31325 was published on 2025-09-06 and last updated on 2026-06-17.

CVE-2023-31325

CVE-2023-31325 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. 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-1189.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-35636
Weakness: CWE-1189
Published: 2025-09-06
Last modified: 2026-06-17

Description

Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with the contents of the PSP reserved DRAM region potentially resulting in loss of confidentiality and integrity.

Frequently asked questions

What is CVE-2023-31325?: Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with the contents of the PSP reserved DRAM region potentially resulting in loss of confidentiality and integrity.
How severe is CVE-2023-31325?: CVE-2023-31325 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-31325 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-31325?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-31325 have an EU (EUVD) identifier?: Yes. CVE-2023-31325 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35636.
When was CVE-2023-31325 published?: CVE-2023-31325 was published on 2025-09-06 and last updated on 2026-06-17.

References

Other CWE-1189 vulnerabilities

CVE-2023-49141 — High (CVSS 7.8): Improper isolation in some Intel(R) Processors stream cache mechanism may allow an authenticated user to potentially…
CVE-2023-42667 — High (CVSS 7.8): Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may allow an authenticated user to…
CVE-2025-54518 — High (CVSS 7.0): Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker…
CVE-2024-36332 — Medium (CVSS 6.8): Improper isolation of GPU HW register space could allow a privileged attacker in malicious Guest Virtual Machine (VM)…
CVE-2025-54514 — Medium (CVSS 4.8): Improper isolation of shared resources on a system on a chip by a malicious local attacker with high privileges could…

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