6.5

CVE-2026-9639

Exploit

Authenticated Denial of Service via Malicious Backup Tarball in LXD

Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with can_create_storage_volumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expires_at snapshot field.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Canonical ≫ Lxd Version >= 5.0.0 < 5.21.5
   Linux ≫ Linux Kernel Version-
Canonical ≫ Lxd Version >= 6.0 < 6.9
   Linux ≫ Linux Kernel Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.39% 0.309
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security@ubuntu.com 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://github.com/canonical/lxd/security/advisories/GHSA-j93m-3j9p-m5m8
Patch
Vendor Advisory
Exploit
https://github.com/canonical/lxd/pull/18320
Patch
Issue Tracking
https://github.com/canonical/lxd/pull/18390
Patch
Issue Tracking