Description
Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's certificate was present in the trust store.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | LXD | 4.0 – < 4.0.10, 4.0 – < 5.0.4, 4.0 – < 5.21.2, 4.0 – < 6.1 | 4.0.10 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | incus | 6.0.3-1 | — |
| Debian 13 | incus | 6.0.3-1 | — |
| Debian 13 | lxd | No fix yet | — |
| Debian 12 | lxd | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | lxd | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | lxd | No fix yet | — |
| Ubuntu Pro 16.04 LTS | lxd | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20241209T183251-1.1 | openSUSE-SU-2024:14567-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/canonical/lxd | < 0.0.0-20240708073652-5a492a3f0036 | 0.0.0-20240708073652-5a492a3f0036 | GHSA-4c49-9fpc-hc3v |
Advisories 1
- openSUSE-SU-2024:14567-1 govulncheck-vulndb-0.0.20241209T183251-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/canonical/lxd/security/advisories/GHSA-4c49-9fpc-hc3v issue-tracking
- https://www.cve.org/CVERecord?id=CVE-2024-6156 issue-tracking