CVE & CISA-KEV Catalog

CVE-2023-34320

MEDIUM
5.5
CVSS v3
NVD

Description

Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could deadlock a core due to the execution of either a load to device or non-cacheable memory, and either a store exclusive or register read of the Physical Address Register (PAR_EL1) in close proximity.

How to fix

Remediation Available
xenDebian
Fixed in:4.17.2+76-ge1f9cb16e2-1~deb12u1CVE-2023-34320
Fixed in:4.17.2-1CVE-2023-34320
Fixed in:4.17.2-1CVE-2023-34320

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 RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.22%probability of exploitation in 30 days
12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-667 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2019-10072High7.573%-Fix
CVE-2002-1850High7.517%-Fix
CVE-2009-2699High7.514%-Fix
CVE-2004-0174High7.512%--
CVE-2009-4272High7.511%--
CVE-2020-24606High8.65.2%-Fix
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Markdown

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HTML

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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 2025-11-04.