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CVE-2024-25939

Publication date 14 August 2024

Last updated 22 August 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.0 · Medium

Score breakdown

Mirrored regions with different values in 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable denial of service via local access.

From the Ubuntu Security Team

It was discovered that some 3rd Generation Intel Xeon Scalable Processors did not properly handle mirrored regions with different values. A privileged local user could use this to cause a denial of service (system crash).

Status

Package Ubuntu Release Status
intel-microcode 24.04 LTS noble
Fixed 3.20240813.0ubuntu0.24.04.2
22.04 LTS jammy
Fixed 3.20240813.0ubuntu0.22.04.2
20.04 LTS focal
Fixed 3.20240813.0ubuntu0.20.04.2
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty Ignored trusty doesn't support early microcode loading at runtime

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
intel-microcode

Severity score breakdown

Parameter Value
Base score 6.0 · Medium
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H