7.1
HIGH
CVE-2024-25743
AMD SEV-ES/SEV-SNP Linux Kernel SIGFPE Signal Handler Vulnerability
Description

In the Linux kernel through 6.9, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES.

INFO

Published Date :

May 15, 2024, 6:15 p.m.

Last Modified :

Aug. 15, 2024, 4:35 p.m.

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2024-25743 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2024-25743 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-25743.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2270836
https://bugzilla.suse.com/show_bug.cgi?id=1223307
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3008.html

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Breaking Confidential VMs with Malicious Interrupts (USENIX Security 2024)

Shell Dockerfile Makefile Python C Assembly

Updated: 1 month ago
20 stars 1 fork 1 watcher
Born at : April 4, 2024, 3:46 p.m. This repo has been linked 2 different CVEs too.

None

HTML C# CSS JavaScript Dockerfile

Updated: 3 weeks, 6 days ago
1 stars 2 fork 2 watcher
Born at : Aug. 30, 2023, 8:51 p.m. This repo has been linked 62 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-25743 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-25743 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 15, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
    Changed Description In the Linux kernel before 6.7, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES. In the Linux kernel through 6.9, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES.
    Added Reference MITRE https://bugzilla.suse.com/show_bug.cgi?id=1223307 [No types assigned]
    Added Reference MITRE https://bugzilla.redhat.com/show_bug.cgi?id=2270836 [No types assigned]
    Removed Reference MITRE https://github.com/torvalds/linux/commit/f35e46631b28a63ca3887d7afef1a65a5544da52
    Removed Reference MITRE https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f35e46631b28a63ca3887d7afef1a65a5544da52
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
    Changed Description In the Linux kernel through 6.7.2, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES. In the Linux kernel before 6.7, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES.
    Added Reference MITRE https://github.com/torvalds/linux/commit/f35e46631b28a63ca3887d7afef1a65a5544da52 [No types assigned]
    Added Reference MITRE https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f35e46631b28a63ca3887d7afef1a65a5544da52 [No types assigned]
  • CVE Received by [email protected]

    May. 15, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel through 6.7.2, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES.
    Added Reference MITRE https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3008.html [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-25743 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-25743 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability