batman-adv: clean untagged VLAN on netdev registration failure (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.22 % · percentile 12 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadv_meshif_vlan on top of it via the NETDEV_REGISTER notifier. But in this process, another receiver of this notification can veto the registration. The netdev registration will be aborted because of this veto. The register_netdevice() call will try to clean up the net_device using unregister_netdevice_queue() - which only uses the .priv_destructor to free private resources. In this situation, .dellink will not be called. The cleanup of the untagged batadv_meshif_vlan must thefore be done in the destructor to avoid a leak of this object.
References
- https://git.kernel.org/stable/c/86e32dfb6a6fe29898f4a562b7b6e38e480bba4d
- https://git.kernel.org/stable/c/06ae245168268b705a204f93c318b30107d10e92
- https://git.kernel.org/stable/c/dbca15fcbeed5276af440a53aed3901590fa7fc9
- https://git.kernel.org/stable/c/f2423da55976ea249f73029e468aefda4b94acba
- https://git.kernel.org/stable/c/f15ca6250591cfe78408114a54eaa8d58da51bfa
- https://git.kernel.org/stable/c/c945f6007e7851e74706c72f98763023699bcd97
- https://git.kernel.org/stable/c/5a82c558098889cc8bfff85cc62f563833205d91
- https://git.kernel.org/stable/c/8669a550c752d86baebc5fdc83b8ff35c4372c0e
European references
- ENISA EUVD · EUVD-2026-59128
- GCVE · GCVE-0-2026-72229
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1333 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < 86e32dfb6a6fe29898f4a562b7b6e38e480bba4d ; affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < 06ae245168268b705a204f93c318b30107d10e92 ; affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < dbca15fcbeed5276af440a53aed3901590fa7fc9 ; affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < f2423da55976ea249f73029e468aefda4b94acba ; affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < f15ca6250591cfe78408114a54eaa8d58da51bfa ; affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < c945f6007e7851e74706c72f98763023699bcd97 |
| Linux · Linux | affected 3.13 ; unaffected 0 < 3.13 ; unaffected 5.10.261 ≤ 5.10.* ; unaffected 5.15.212 ≤ 5.15.* ; unaffected 6.1.178 ≤ 6.1.* ; unaffected 6.6.145 ≤ 6.6.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |