CVE-2024-28956 — Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution in Intel-microcode

CWE-1421 — Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution7 documents6 sources
Severity
5.7MEDIUMNVD
EPSS
0.2%
top 54.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Linux KernelXENDebian Intel-microcode+3 more
Timeline
PublishedMay 13
Latest updateMay 27

Description

Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Affected Packages6 packages

▶debiandebian/intel-microcode< intel-microcode 3.20250512.1~deb12u1 (bookworm)
▶debiandebian/xen< intel-microcode 3.20250512.1~deb12u1 (bookworm)
▶debiandebian/linux< intel-microcode 3.20250512.1~deb12u1 (bookworm)
▶debiandebian/linux-6.1< intel-microcode 3.20250512.1~deb12u1 (bookworm)
▶Debianxen/xen< 4.17.5+72-g01140da4e8-1+2

🔴Vulnerability Details

3
OSV
intel-microcode vulnerabilities↗2025-05-27
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OSV
CVE-2024-28956: Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel(R) Processors may allow an authent↗2025-05-13
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GHSA
GHSA-hwrg-xmjh-93xc: Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel(R) Processors may allow an authent↗2025-05-13
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📋Vendor Advisories

3
Ubuntu
Intel Microcode vulnerabilities↗2025-05-27
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Red Hat
microcode_ctl: From CVEorg collector↗2025-05-13
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Debian
CVE-2024-28956: intel-microcode - Exposure of Sensitive Information in Shared Microarchitectural Structures during...↗2024
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