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LIN1021-7535 : Security Advisory - linux - CVE-2021-47049

Created: Feb 28, 2024    Updated: Apr 2, 2024
Resolved Date: Apr 2, 2024
Found In Version: 10.21.20.1
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

In the Linux kernel, the following vulnerability has been resolved:

Drivers: hv: vmbus: Use after free in __vmbus_open()

The "open_info" variable is added to the &vmbus_connection.chn_msg_list,
but the error handling frees "open_info" without removing it from the
list.  This will result in a use after free.  First remove it from the
list, and then free it.

CREATE(Triage):(User=admin) CVE-2021-47049 (https://nvd.nist.gov/vuln/detail/CVE-2021-47049)
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