CVE-2026-23412 in Kernel
요약 (영어)
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
nfnetlink_hooks:
BUG: KASAN: slab-use-after-free in nfnl_hook_dump_one.isra.0+0xe71/0x10f0
Read of size 8 at addr ffff888003edbf88 by task poc/79
Call Trace:
nfnl_hook_dump_one.isra.0+0xe71/0x10f0
netlink_dump+0x554/0x12b0
nfnl_hook_get+0x176/0x230
[..]
Defer release until after concurrent readers have completed.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
책임이 있는
Linux
예약하다
2026. 01. 13.
공개
2026. 04. 02.
상태
확인됨
엔트리
VulDB provides additional information and datapoints for this CVE:
| 아이디 | 취약성 | CWE | 악용 | 대책 | CVE |
|---|---|---|---|---|---|
| 354858 | Linux Kernel netfilter nfnetlink_hooks 메모리 손상 | 416 | 정의되지 않음 | 공식 수정 | CVE-2026-23412 |