CVE-2026-47753

Katalog CVE

CVSS 4.4 · Medium EPSS 0,15%

Kerentanan NULL Pointer Dereference. Skor CVSS 4.0 4.4 (Medium) menurut github.com.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

21 Agustus 2026

Terakhir diubah

18 September 2026

Status NVD

Deferred

CVSS 4.0

4.4 (Medium), sumber github.com
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,15% peluang dieksploitasi; lebih tinggi dari 3,8% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/lxc/incus/commit/98e64f0a6fcfdc9676eea0246418d490c53297bf
• https://github.com/lxc/incus/security/advisories/GHSA-8g7m-96c8-8wwc