Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: Defer the release of memory until after the rcu readers have finished their operations. Yiming Qian reported a UaF issue when a concurrent process was dumping hooks via nfnetlinkhooks. Bug: KASAN: A...

SUSE CVE-2026-23412

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlinkhooks: BUG: KASAN: slab-use-after-free in nfnlhookdumpone.isra.0+0xe71/0x10f0 Read...

CVE-2026-23412

A flaw was found in the Linux kernel's netfilter BPF Berkeley Packet Filter component. A local attacker could exploit this by initiating a concurrent process to dump hooks via nfnetlinkhooks, which triggers a use-after-free vulnerability. This could lead to system instability or a denial of servi...

EUVD-2026-18190

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlinkhooks: BUG: KASAN: slab-use-after-free in nfnlhookdumpone.isra.0+0xe71/0x10f0 Read...

CVE-2026-23412 netfilter: bpf: defer hook memory release until rcu readers are done

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlinkhooks: BUG: KASAN: slab-use-after-free in nfnlhookdumpone.isra.0+0xe71/0x10f0 Read...

CVE-2026-23412

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlinkhooks: BUG: KASAN: slab-use-after-free in nfnlhookdumpone.isra.0+0xe71/0x10f0 Read...

PT-2026-29719

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UaF issue was identified in the netfilter component of the Linux kernel related to the handling of BPF hooks. Specifically, the vulnerability occurs when dumping hooks v...

CVE-2026-23392 netfilter: nf_tables: release flowtable after rcu grace period on error

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...