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Fixed

LIN1021-1081 : Security Advisory - linux - CVE-2021-38166 (BPF)

Created: Aug 8, 2021    Updated: Dec 17, 2021
Resolved Date: Sep 6, 2021
Found In Version: 10.21.20.1
Fix Version: 10.21.20.4
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

CREATE(Triage):(User=admin) CVE-2021-38166 (https://nvd.nist.gov/vuln/detail/CVE-2021-38166)

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