CVE-2024-3447

Public Exploit
Qemu: sdhci: heap buffer overflow in sdhci_write_dataport()

Description

A heap-based buffer overflow was found in the SDHCI device emulation of QEMU. The bug is triggered when both `s->data_count` and the size of `s->fifo_buffer` are set to 0x200, leading to an out-of-bound access. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Category

6.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.19%
Vendor Advisory netapp.com
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization
Affected: Red Hat Red Hat Enterprise Linux 9
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2024-3447 vdb entry third party advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58813 issue tracking exploit
https://bugzilla.redhat.com/show_bug.cgi?id=2274123 third party advisory issue tracking
https://patchew.org/QEMU/20240404085549.16987-1-philmd@linaro.org/ broken link
https://security.netapp.com/advisory/ntap-20250425-0005/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-3447?
CVE-2024-3447 has been scored as a medium severity vulnerability.
How to fix CVE-2024-3447?
To fix CVE-2024-3447, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-3447 being actively exploited in the wild?
It is possible that CVE-2024-3447 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-3447?
CVE-2024-3447 affects Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization, Red Hat Red Hat Enterprise Linux 9.
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