What is the severity of CVE-2024-39707?

CVE-2024-39707 has a high-severity rating due to its potential to allow unauthorized restoration of UEFI variables, leading to possible rollback attacks.

How do I fix CVE-2024-39707?

To fix CVE-2024-39707, update the Insyde IHISI function to kernel version 5.2 (05.29.19) or later.

What systems are affected by CVE-2024-39707?

CVE-2024-39707 affects certain platforms utilizing the Insyde IHISI function and specific versions of the kernel.

Can CVE-2024-39707 lead to remote exploits?

CVE-2024-39707 may not directly lead to remote exploits but it can enable attackers to perform rollback attacks locally.

Is there a workaround for CVE-2024-39707?

Currently, there are no official workarounds for CVE-2024-39707, and applying the update is recommended as the most effective mitigation.

Vulnerability/
CVE-2024-39707

medium

5.3

CWE

306

14/11/2024

27/11/2024

CVE-2024-39707

First published: Thu Nov 14 2024(Updated: )

Insyde IHISI function 0x49 can restore factory defaults for certain UEFI variables without further authentication by default, which could lead to a possible roll-back attack in certain platforms. This is fixed in: kernel 5.2, version 05.29.19; kernel 5.3, version 05.38.19; kernel 5.4, version 05.46.19; kernel 5.5, version 05.54.19; kernel 5.6, version 05.61.19.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Insyde IhisiServiceSmm	<05.29.19
Kernel	>=5.2<5.3>=5.3<5.4>=5.4<5.5>=5.5<5.6<05.54.19

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Reference Links

https://www.insyde.com/security-pledge/SA-2024007

Frequently Asked Questions

What is the severity of CVE-2024-39707?
CVE-2024-39707 has a high-severity rating due to its potential to allow unauthorized restoration of UEFI variables, leading to possible rollback attacks.
How do I fix CVE-2024-39707?
To fix CVE-2024-39707, update the Insyde IHISI function to kernel version 5.2 (05.29.19) or later.
What systems are affected by CVE-2024-39707?
CVE-2024-39707 affects certain platforms utilizing the Insyde IHISI function and specific versions of the kernel.
Can CVE-2024-39707 lead to remote exploits?
CVE-2024-39707 may not directly lead to remote exploits but it can enable attackers to perform rollback attacks locally.
Is there a workaround for CVE-2024-39707?
Currently, there are no official workarounds for CVE-2024-39707, and applying the update is recommended as the most effective mitigation.

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canonical/insyde ihisiservicesmm
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