CVE-2026-72229None▾ SunlitIn 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 …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < 86e32dfb6a6fe29898f4a562b7b6e38e480bba4dLinux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < 06ae245168268b705a204f93c318b30107d10e92Linux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < dbca15fcbeed5276af440a53aed3901590fa7fc9Linux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < f2423da55976ea249f73029e468aefda4b94acbaLinux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < f15ca6250591cfe78408114a54eaa8d58da51bfaLinux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < c945f6007e7851e74706c72f98763023699bcd97Linux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < 5a82c558098889cc8bfff85cc62f563833205d91Linux >= 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 < 8669a550c752d86baebc5fdc83b8ff35c4372c0eLinux 3.13Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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