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CVE-2023-2008

Published: Apr 14, 2023

Modified: May 5, 2025

PUBLISHED

Description

A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

Vendor	Product	Versions
n/a	Linux kernel udmabuf device driver	affected `Fixed in kernel v5.19-rc4`

Weaknesses (CWE)

References

https://github.com/torvalds/linux/commit/05b252cccb2e5c3f56119d25de684b4f810ba4

https://www.zerodayinitiative.com/advisories/ZDI-23-441/

https://bugzilla.redhat.com/show_bug.cgi?id=2186862

https://security.netapp.com/advisory/ntap-20230517-0007/

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