Wind River Support Network


LIN1021-34 : Security Advisory - redis - CVE-2021-29477

Created: May 17, 2021    Updated: Sep 25, 2021
Resolved Date: Sep 1, 2021
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace


Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer could be exploited using the `STRALGO LCS` command to corrupt the heap and potentially result with remote code execution. The problem is fixed in version 6.2.3 and 6.0.13. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the `STRALGO LCS` command.

CREATE(Triage):(User=admin) CVE-2021-29477 (


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