Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update
A vulnerability in the libvirt component of the virt:rhel and virt-devel:rhel modules for Red Hat Enterprise Linux 8 allows a negative g_new0 length to cause unbounded memory allocation. This issue is identified as CVE-2024-2494 and affects user-space components used to run and manage virtual machines with Kernel-based Virtual Machine (KVM). Red Hat has issued a security advisory with a moderate severity rating and provided updated packages to address this issue.
AI Analysis
Technical Summary
The vulnerability CVE-2024-2494 in libvirt involves a negative length value passed to the g_new0 function, which can lead to unbounded memory allocation. This affects the virt:rhel and virt-devel:rhel modules that provide user-space components and APIs for managing KVM virtual machines on Red Hat Enterprise Linux 8. The issue is rated as moderate severity by Red Hat Product Security. A security update is available for Red Hat Enterprise Linux 8 and related CodeReady Linux Builder variants to fix this issue.
Potential Impact
Unbounded memory allocation caused by a negative length value in libvirt could potentially lead to resource exhaustion or denial of service conditions in the user-space components managing virtual machines. The advisory rates the impact as moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update (RHSA-2024:3253) for Red Hat Enterprise Linux 8 and associated CodeReady Linux Builder products that fixes this vulnerability. Users should apply the update as described in the Red Hat advisory and article https://access.redhat.com/articles/11258 to remediate the issue. Patch status is confirmed as available.
Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update
Description
A vulnerability in the libvirt component of the virt:rhel and virt-devel:rhel modules for Red Hat Enterprise Linux 8 allows a negative g_new0 length to cause unbounded memory allocation. This issue is identified as CVE-2024-2494 and affects user-space components used to run and manage virtual machines with Kernel-based Virtual Machine (KVM). Red Hat has issued a security advisory with a moderate severity rating and provided updated packages to address this issue.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2024-2494 in libvirt involves a negative length value passed to the g_new0 function, which can lead to unbounded memory allocation. This affects the virt:rhel and virt-devel:rhel modules that provide user-space components and APIs for managing KVM virtual machines on Red Hat Enterprise Linux 8. The issue is rated as moderate severity by Red Hat Product Security. A security update is available for Red Hat Enterprise Linux 8 and related CodeReady Linux Builder variants to fix this issue.
Potential Impact
Unbounded memory allocation caused by a negative length value in libvirt could potentially lead to resource exhaustion or denial of service conditions in the user-space components managing virtual machines. The advisory rates the impact as moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update (RHSA-2024:3253) for Red Hat Enterprise Linux 8 and associated CodeReady Linux Builder products that fixes this vulnerability. Users should apply the update as described in the Red Hat advisory and article https://access.redhat.com/articles/11258 to remediate the issue. Patch status is confirmed as available.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:3253
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a419cc027e9c79719ac08c2
Added to database: 06/28/2026, 22:14:24 UTC
Last enriched: 06/28/2026, 22:40:09 UTC
Last updated: 07/03/2026, 08:51:19 UTC
Views: 18
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