NULL Pointer Dereference Affecting incus package, versions <7.0.1-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Jul 2026
- disclosed21 Aug 2026
Introduced: 11 Jul 2026
CVE-2026-47753 (opens in a new tab)How to fix?
Upgrade Alpine:3.24 incus to version 7.0.1-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream incus package and not the incus package as distributed by Alpine.
See How to fix? for Alpine:3.24 relevant fixed versions and status.
Incus is a system container and virtual machine manager. Prior to version 7.1.0, (*backend).CreateInstanceFromBackup in internal/server/storage/backend.go contains a nil-pointer dereference that an authenticated user with permission to create instances in any project can trigger remotely by uploading a crafted backup tarball. The Incus daemon panics and the process crashes, causing denial of service to every project on that cluster member. This is a sibling of GHSA-fwj8-62r8-8p8m, GHSA-r7w7-mmxr-47r9, and GHSA-x5r6-jr56-89pv (all assigned 2026-05-04). Those patches added guards on adjacent fields of the same backup/config.Config struct; the Volume field on the instance-import path was missed. Version 7.1.0 contains an updated patch.