CVE-2024-40431
Published: 23 October 2024
Summary
CVE-2024-40431 is a high-severity an unspecified weakness vulnerability in Github (inferred from references). Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 3.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-40431 is a high-severity vulnerability stemming from insufficient input validation in the Realtek SD card reader driver prior to version 10.0.26100.21374. The flaw resides in the driver's handling of the IOCTL_SCSI_PASS_THROUGH control code, which permits an attacker to write arbitrary data to predictable locations in kernel memory.
A low-privileged user can exploit the issue over a network-adjacent vector without user interaction, resulting in full compromise of confidentiality, integrity, and availability on the affected system. This enables kernel memory corruption that may be leveraged for privilege escalation or denial of service.
The single reference points to a technical write-up at zwclose.github.io but supplies no explicit mitigation guidance or patch details within the provided inputs. The associated EPSS score has remained flat at 0.2483 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-38454
Vulnerability details
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…
more
user.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.