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LIN1019-7814 : Security Advisory - linux - CVE-2021-22600

Created: Jan 26, 2022    Updated: Mar 28, 2022
Resolved Date: Feb 24, 2022
Found In Version: 10.19.45.1
Fix Version: 10.19.45.22
Severity: Standard
Applicable for: Wind River Linux LTS 19
Component/s: Kernel

Description

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755

CREATE(Triage):(User=admin) CVE-2021-22600 (https://nvd.nist.gov/vuln/detail/CVE-2021-22600)

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