cve/2021/CVE-2021-31916.md

CVE-2021-31916

Description

An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel before 5.12. A bound check failure allows an attacker with special user (CAP_SYS_ADMIN) privilege to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

POC

Reference

• https://seclists.org/oss-sec/2021/q1/268

Github

No PoCs found on GitHub currently.