CVE-2024-40431 Memory corruption in n/a
A low-privileged attacker can exploit missing input validation in the Realtek SD card reader driver to write to kernel memory, enabling privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-40431?
CVE-2024-40431 is a high-severity memory corruption vulnerability in n/a, published on 23 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the SD card reader driver allows an attacker to write to predictable kernel memory locations, even as a low-privileged user.
Which versions are affected by CVE-2024-40431?
How do I fix CVE-2024-40431?
No fix has been published for CVE-2024-40431 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-40431 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-40431 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-4wgw-m6jr-9h45.