Vulnerabilities > CVE-2023-2194 - Out-of-bounds Write vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
An out-of-bounds write vulnerability was found in the Linux kernel's SLIMpro I2C device driver. The userspace "data->block[0]" variable was not capped to a number between 0-255 and was used as the size of a memcpy, possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2188396
- https://github.com/torvalds/linux/commit/92fbb6d1296f
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2188396
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://github.com/torvalds/linux/commit/92fbb6d1296f