CVE-2026-41647: CWE-476: NULL Pointer Dereference in lxc incus
Incus is a system container and virtual machine manager. Prior to version 7.0.0, a missing error handling could lead an authenticated Incus user to cause a daemon crash through the import of a truncated storage bucket backup file. This issue has been patched in version 7.0.0.
AI Analysis
Technical Summary
Incus versions before 7.0.0 contain a NULL pointer dereference vulnerability (CWE-476) due to insufficient error handling during the import of truncated storage bucket backup files by authenticated users. This flaw can cause the Incus daemon to crash, resulting in a denial-of-service. The vulnerability has a CVSS 3.1 base score of 6.5, reflecting network attack vector, low attack complexity, required privileges, no user interaction, unchanged scope, and impact limited to availability. The issue is fixed in version 7.0.0.
Potential Impact
An authenticated user can cause the Incus daemon to crash by importing a malformed truncated backup file, leading to denial-of-service. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade Incus to version 7.0.0 or later, where this vulnerability has been patched. Since the vendor advisory does not specify alternative mitigations, applying the official fix is the recommended action. Patch status is confirmed by the vendor stating the issue is fixed in version 7.0.0.
CVE-2026-41647: CWE-476: NULL Pointer Dereference in lxc incus
Description
Incus is a system container and virtual machine manager. Prior to version 7.0.0, a missing error handling could lead an authenticated Incus user to cause a daemon crash through the import of a truncated storage bucket backup file. This issue has been patched in version 7.0.0.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Incus versions before 7.0.0 contain a NULL pointer dereference vulnerability (CWE-476) due to insufficient error handling during the import of truncated storage bucket backup files by authenticated users. This flaw can cause the Incus daemon to crash, resulting in a denial-of-service. The vulnerability has a CVSS 3.1 base score of 6.5, reflecting network attack vector, low attack complexity, required privileges, no user interaction, unchanged scope, and impact limited to availability. The issue is fixed in version 7.0.0.
Potential Impact
An authenticated user can cause the Incus daemon to crash by importing a malformed truncated backup file, leading to denial-of-service. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade Incus to version 7.0.0 or later, where this vulnerability has been patched. Since the vendor advisory does not specify alternative mitigations, applying the official fix is the recommended action. Patch status is confirmed by the vendor stating the issue is fixed in version 7.0.0.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-04-21T23:58:43.802Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fca382cbff5d8610fd58f5
Added to database: 05/07/2026, 14:36:50 UTC
Last enriched: 05/07/2026, 14:52:11 UTC
Last updated: 07/04/2026, 08:51:23 UTC
Views: 100
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