Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: do not check the confirmed bit in brnflocalin after confirmation. When sending a broadcast packet to a tap device, which is added to a bridge, the brnflocalin function is called to confirm the conntrack. I...

CVE-2025-39894

CVE-2025-39894 affects the Linux kernel netfilter bridge path (br_netfilter) specifically br_nf_local_in(). The issue arises when a broadcast packet to a tap device added to a bridge triggers br_nf_local_in() to confirm a conntrack; if another conntrack with the same hash is added, a warning may ...

CVE-2025-39894 netfilter: br_netfilter: do not check confirmed bit in br_nf_local_in() after confirm

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: do not check confirmed bit in brnflocalin after confirm When send a broadcast packet to a tap device, which was added to a bridge, brnflocalin is called to confirm the conntrack. If another conntrack with...