Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0.18 (openstack-nova) security update
A security vulnerability (CVE-2026-24708) exists in OpenStack Compute (nova) within Red Hat OpenStack Services on OpenShift 18. 0. 18. The issue involves an arbitrary host file overwrite caused by unconstrained handling of qemu-img formats. This vulnerability could allow an attacker to overwrite files on the host system. Red Hat has issued a security update to address this vulnerability.
AI Analysis
Technical Summary
OpenStack Compute (nova) is vulnerable to an arbitrary host file overwrite due to unconstrained qemu-img format handling (CVE-2026-24708). This vulnerability affects Red Hat OpenStack Services on OpenShift 18.0.18 (openstack-nova). The flaw allows an attacker to overwrite files on the host system, potentially impacting system integrity. Red Hat has released updated packages (openstack-nova version 27.5.2-18.0.20260312122217.c1c6d67.el9ost) to remediate this issue. The advisory rates the security impact as Important (high severity). No CVSS score is provided in the advisory.
Potential Impact
The vulnerability allows arbitrary overwriting of files on the host system running OpenStack Nova due to insufficient validation of qemu-img formats. This could lead to unauthorized modification of critical files, potentially compromising system stability and security. The impact is rated as high by Red Hat.
Mitigation Recommendations
Red Hat has released an official security update for openstack-nova (version 27.5.2-18.0.20260312122217.c1c6d67.el9ost) that addresses this vulnerability. Users of Red Hat OpenStack Services on OpenShift 18.0.18 should apply this update promptly. For detailed update instructions, refer to Red Hat's official article: https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the vendor-provided patch.
Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0.18 (openstack-nova) security update
Description
A security vulnerability (CVE-2026-24708) exists in OpenStack Compute (nova) within Red Hat OpenStack Services on OpenShift 18. 0. 18. The issue involves an arbitrary host file overwrite caused by unconstrained handling of qemu-img formats. This vulnerability could allow an attacker to overwrite files on the host system. Red Hat has issued a security update to address this vulnerability.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
OpenStack Compute (nova) is vulnerable to an arbitrary host file overwrite due to unconstrained qemu-img format handling (CVE-2026-24708). This vulnerability affects Red Hat OpenStack Services on OpenShift 18.0.18 (openstack-nova). The flaw allows an attacker to overwrite files on the host system, potentially impacting system integrity. Red Hat has released updated packages (openstack-nova version 27.5.2-18.0.20260312122217.c1c6d67.el9ost) to remediate this issue. The advisory rates the security impact as Important (high severity). No CVSS score is provided in the advisory.
Potential Impact
The vulnerability allows arbitrary overwriting of files on the host system running OpenStack Nova due to insufficient validation of qemu-img formats. This could lead to unauthorized modification of critical files, potentially compromising system stability and security. The impact is rated as high by Red Hat.
Mitigation Recommendations
Red Hat has released an official security update for openstack-nova (version 27.5.2-18.0.20260312122217.c1c6d67.el9ost) that addresses this vulnerability. Users of Red Hat OpenStack Services on OpenShift 18.0.18 should apply this update promptly. For detailed update instructions, refer to Red Hat's official article: https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the vendor-provided patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:7884
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a2866f48dd33fbd85722277
Added to database: 6/9/2026, 7:18:12 PM
Last enriched: 6/9/2026, 9:56:28 PM
Last updated: 6/10/2026, 6:27:21 AM
Views: 5
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