CVE-2025-21959

CVE-2025-21959 affects the Linux kernel nf_conncount under netfilter. The vulnerability stems from incomplete initialization of nf_conncount_tuple in the insert_tree path: cpu and jiffies32 fields are initialized during nf_conncount_add() but not in the corresponding insert_tree() allocation, aft...

kernel: ipv4: Fix uninit-value access in __ip_make_skb()

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix uninit-value access in ipmakeskb KMSAN reported uninit-value access in ipmakeskb 1. ipmakeskb tests HDRINCL to know if the skb has icmphdr. However, HDRINCL can cause a race condition. If calling setsockopt2 with...