Security Advisory

CVE-2021-41073

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-09-19 16:02:30

Last updated 2024-08-04 02:59:31

Assigner mitre

State PUBLISHED

Description

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

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