SUSE CVE-2026-31663

In the Linux kernel, the following vulnerability has been resolved: xfrm: hold dev ref until after transportfinish NFHOOK After async crypto completes, xfrminputresume calls devput immediately on re-entry before the skb reaches transportfinish. The skb-dev pointer is then used inside NFHOOK and i...

UBUNTU-CVE-2025-38640

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable migration in nfhookrunbpf. syzbot reported that the netfilter bpf prog can be called without migration disabled in xmit path. Then the assertion in bpfprogrun fails, triggering the splat below. 0 Let's use...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from nfhookrunbpf undisabled migration, which could lead to assertion failure...

SUSE CVE-2022-48912

In the Linux kernel, the following vulnerability has been resolved: netfilter: fix use-after-free in nfregisternethook We must not dereference @newhooks after nfhookmutex has been released, because other threads might have freed our allocated hooks already. BUG: KASAN: use-after-free in...

SUSE CVE-2024-40957

In the Linux kernel, the following vulnerability has been resolved: seg6: fix parameter passing when calling NFHOOK in End.DX4 and End.DX6 behaviors inputactionenddx4 and inputactionenddx6 are called NFHOOK for PREROUTING hook, in PREROUTING hook, we should passing a valid indev, and a NULL outde...

DEBIAN-CVE-2024-40957

In the Linux kernel, the following vulnerability has been resolved: seg6: fix parameter passing when calling NFHOOK in End.DX4 and End.DX6 behaviors inputactionenddx4 and inputactionenddx6 are called NFHOOK for PREROUTING hook, in PREROUTING hook, we should passing a valid indev, and a NULL outde...

kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function

A flaw was found in the Netfilter subsystem in the Linux kernel. This issue occurs in the nftverdictinit function, allowing positive values as a drop error within the hook verdict, therefore, the nfhookslow function can cause a double-free vulnerability when NFDROP is issued with a drop error tha...

PT-2022-34884 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.7 Description: The issue is related to a use-after-free UAF problem in the nfqnl nf hook drop function when ops init fails. The actual impact and attack plausibility have not yet been proven. Recommendation...