CVE-2026-31429-POC

CVE-2026-31429 — Noyau Linux : Libération cross-cache d'une tête SKB allouée par KFENCE via bpfprogtestrunskb Sévérité : Moyenne CWE-763 : Libération d'un pointeur ou d'une référence invalide Publié : 2026-04-20 Sous-système concerné : net/core/skbuff.c — skbkfreehead Chercheur : Antonius / w1sdo...

CVE-2025-68363: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Check skb-transportheader is set in bpfskbcheckmtu The bpfskbcheckmtu helper needs to use skb-transportheader when the BPFMTUCHKSEGS flag is used: bpfskbcheckmtuskb, ifindex, &mtulen, 0, BPFMTUCHKSEGS The transportheader is...

CVE-2025-21867 bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...