Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Hold the reference to the backbone gateways. The batadvblaaddclaim function can replace claim-backbonegw, and drop the last reference of the old gateway while the readers still follow the pointer. The netlink claim du...

CVE-2026-46231 batman-adv: bla: put backbone reference on failed claim hash insert

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadvblaaddclaim fails to insert a new claim into the hash, it leaked a reference to the backbonegw for which the claim was intended. Call...

AZL-83810 CVE-2026-31657 affecting package kernel for versions less than 6.6.137.1-1

In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by reference batadvblaaddclaim can replace claim-backbonegw and drop the old gateway's last reference while readers still follow the pointer. The netlink claim dump path dereferences...