REDHAT-BUG-2174306
First published: Wed Mar 01 2023(Updated: )
(<a href="https://access.redhat.com/security/cve/CVE-2022-36021">CVE-2022-36021</a>) String matching commands (like SCAN or KEYS) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time. <a href="https://github.com/gentoo/gentoo/pull/29860">https://github.com/gentoo/gentoo/pull/29860</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redis |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2022-36021
- https://github.com/gentoo/gentoo/pull/29860
- https://github.com/redis/redis/commit/2a2a582e7cd99ba3b531336b8bd41df2b566e619
- https://github.com/redis/redis/security/advisories/GHSA-x2r7-j9vw-3w83
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2174654
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2174652
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2174653
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2174656
- https://access.redhat.com/errata/RHSA-2025:0595
- https://bugzilla.redhat.com/show_bug.cgi?id=2174306
Frequently Asked Questions
What is the severity of REDHAT-BUG-2174306?
REDHAT-BUG-2174306 is a critical vulnerability affecting Redis that can lead to a denial-of-service attack.
How do I fix REDHAT-BUG-2174306?
To fix REDHAT-BUG-2174306, you should update your Redis installation to the latest version that addresses this vulnerability.
What are the impacts of REDHAT-BUG-2174306?
The impact of REDHAT-BUG-2174306 includes causing Redis to hang and consume 100% CPU time, disrupting service availability.
Which Redis versions are affected by REDHAT-BUG-2174306?
All versions of Redis prior to the fix for REDHAT-BUG-2174306 are potentially affected.
Is there a workaround for REDHAT-BUG-2174306?
A temporary workaround for REDHAT-BUG-2174306 is to avoid using string matching commands with crafted patterns.
- agent/last-modified-date
- agent/severity
- agent/source
- agent/type
- agent/description
- agent/references
- agent/first-publish-date
- agent/event
- agent/guess-ai
- agent/software-canonical-lookup
- agent/softwarecombine
- agent/tags
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-25155
- vendor/redis
- canonical/redis