Wind River Support Network

HomeDefectsLIN1021-1542
Fixed

LIN1021-1542 : Security Advisory - linux - CVE-2021-41073

Created: Sep 20, 2021    Updated: Oct 27, 2021
Resolved Date: Oct 27, 2021
Found In Version: 10.21.20.1
Fix Version: 10.21.20.6
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

loop_rw_iter in fs/io_uring.c in the Linux kernel 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.

CREATE(Triage):(User=admin) [CVE-2021-41073|https://nvd.nist.gov/vuln/detail/CVE-2021-41073]

CVEs


Live chat
Online