CVE-2024-25743: Input Validation Flaw (CVSS 7.1)

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.

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CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

References

Other References

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 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

Frequently Asked Questions

What is CVE-2024-25743? +

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. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-25743? +

CVE-2024-25743 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-25743? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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