Red Hat Security Advisory: fence-agents security update
Red Hat has issued a security advisory for the fence-agents packages used in Red Hat Enterprise Linux 9. 2 Extended Update Support and related variants. The update addresses two security vulnerabilities in the Jinja2 templating engine (CVE-2024-56201 and CVE-2024-56326) that allow sandbox breakout via malicious filenames or indirect references to the format method. These vulnerabilities could potentially allow an attacker to escape the Jinja2 sandbox, impacting systems that use fence-agents for remote power management in clusters. The advisory rates the update as Important and provides updated packages to remediate the issues.
AI Analysis
Technical Summary
The fence-agents packages, which manage remote power control of cluster nodes in Red Hat Enterprise Linux 9.2 and related variants, were found to include vulnerable versions of the Jinja2 templating engine. Two vulnerabilities (CVE-2024-56201 and CVE-2024-56326) allow sandbox breakout through malicious filenames or indirect format method references. Red Hat Product Security has released updated fence-agents packages to fix these issues. The advisory covers multiple architectures and variants of Red Hat Enterprise Linux 9.2, including Extended Update Support and Update Services for SAP Solutions. No CVSS scores are provided in the advisory, but the severity is rated as Important by Red Hat.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to escape the Jinja2 sandbox environment within fence-agents scripts, potentially leading to unauthorized code execution or manipulation of cluster node management. This could disrupt cluster stability by forcibly restarting or removing nodes improperly. The advisory does not report known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated fence-agents packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.2 Extended Update Support and related variants should apply the security update as detailed in the Red Hat advisory RHSA-2025:0335 and the referenced update article (https://access.redhat.com/articles/11258). Patch status is confirmed as available. No additional mitigation steps are indicated beyond applying the official update.
Red Hat Security Advisory: fence-agents security update
Description
Red Hat has issued a security advisory for the fence-agents packages used in Red Hat Enterprise Linux 9. 2 Extended Update Support and related variants. The update addresses two security vulnerabilities in the Jinja2 templating engine (CVE-2024-56201 and CVE-2024-56326) that allow sandbox breakout via malicious filenames or indirect references to the format method. These vulnerabilities could potentially allow an attacker to escape the Jinja2 sandbox, impacting systems that use fence-agents for remote power management in clusters. The advisory rates the update as Important and provides updated packages to remediate the issues.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The fence-agents packages, which manage remote power control of cluster nodes in Red Hat Enterprise Linux 9.2 and related variants, were found to include vulnerable versions of the Jinja2 templating engine. Two vulnerabilities (CVE-2024-56201 and CVE-2024-56326) allow sandbox breakout through malicious filenames or indirect format method references. Red Hat Product Security has released updated fence-agents packages to fix these issues. The advisory covers multiple architectures and variants of Red Hat Enterprise Linux 9.2, including Extended Update Support and Update Services for SAP Solutions. No CVSS scores are provided in the advisory, but the severity is rated as Important by Red Hat.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to escape the Jinja2 sandbox environment within fence-agents scripts, potentially leading to unauthorized code execution or manipulation of cluster node management. This could disrupt cluster stability by forcibly restarting or removing nodes improperly. The advisory does not report known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated fence-agents packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.2 Extended Update Support and related variants should apply the security update as detailed in the Red Hat advisory RHSA-2025:0335 and the referenced update article (https://access.redhat.com/articles/11258). Patch status is confirmed as available. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:0335
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-56326"]
- Cvss Version
- null
Threat ID: 6a1f4e92e29bf47b50085e76
Added to database: 6/2/2026, 9:43:46 PM
Last enriched: 6/2/2026, 10:21:54 PM
Last updated: 6/3/2026, 5:02:15 AM
Views: 2
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