🛡️ CVE-2024-28956 on Debian — intel-microcode

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

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.

Distribution advisory

This page covers CVE-2024-28956 as tracked by Debian, for the package intel-microcode. The fix is available in version 3.20250512.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Affected software

DEBIAN-CVE-2024-28956 is recorded against 4 packages.

intel-microcode (fixed in 3.20250512.1)
linux (fixed in 6.12.29-1)
linux-6.1 (fixed in 6.1.140-1~deb11u1)
xen (fixed in 4.20.2+7-g1badcf5035-1)

Timeline and source

Published on 13 May 2025 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2024-28956 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Alpine BellSoft Base record Debian 11 (Root.io)Debian 12 (Root.io)Ubuntu

Details

Severity Unknown

CVSS Score N/A

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2025-05-13

Updated 2026-08-12

Modified 2026-08-04

Fix URL N/A

Affected Packages

Software	From version	Fixed in
intel-microcode	—	3.20250512.1
linux	—	6.12.29-1
linux-6.1	—	6.1.140-1~deb11u1
xen	—	4.20.2+7-g1badcf5035-1

References

ADVISORY https://security-tracker.debian.org/tracker/CVE-2024-28956

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