CVE & CISA-KEV Catalog

CVE-2024-39355

MEDIUM
6.5
CVSS v3
NVD

Description

Improper handling of physical or environmental conditions in some Intel(R) Processors may allow an authenticated user to enable denial of service via local access.

How to fix

Remediation Available
intel-microcodeDebian
Fixed in:3.20250211.1~deb11u1CVE-2024-39355
Fixed in:3.20250211.1~deb12u1CVE-2024-39355
Fixed in:3.20250211.1CVE-2024-39355
Fixed in:3.20250211.1CVE-2024-39355

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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
ScopeChanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Other references2

Related Vulnerabilities

Other CWE-1384 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2026-2757Critical9.80.5%-Fix
CVE-2026-2760Critical10.00.4%-Fix
CVE-2026-2759Critical9.80.4%-Fix
CVE-2025-52557Unscored-0.4%--
CVE-2026-49325Medium4.60.2%--

Common questions

How do I fix CVE-2024-39355?

Upgrade intel-microcode on debian 11 to 3.20250211.1~deb11u1 or later.

Is CVE-2024-39355 being actively exploited?

Not that we know of. CVE-2024-39355 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.24% is the estimated probability that it will be exploited in the next 30 days. That is higher than 15% of all scored CVEs.

How severe is CVE-2024-39355?

CVE-2024-39355 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-39355 affect?

Published advisories record a fix for intel-microcode (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2025-11-03.