CVE-2026-72419— Linux kernel 安全漏洞
可能的 ATT&CK 技术 1AI
T1059 · Command and Scripting Interpreter影响版本矩阵 14
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | cbc1dd5b659f5a2c3cba88b197b7443679bb35a0< 359d8ff97362a4662356104540e4814bff9dad7c | affected |
cbc1dd5b659f5a2c3cba88b197b7443679bb35a0< 87f7a720de2545fdac29c85acb7163676feacdaf | affected | ||
cbc1dd5b659f5a2c3cba88b197b7443679bb35a0< e794f633021defcfa98e17d73b955cd07590831f | affected | ||
cbc1dd5b659f5a2c3cba88b197b7443679bb35a0< a73e7ac3f3b69e9581ec7bfd889ff3e9b8c773f7 | affected | ||
cbc1dd5b659f5a2c3cba88b197b7443679bb35a0< eb14aba91163c33d8c99f9d7c06690e08b56a250 | affected | ||
cbc1dd5b659f5a2c3cba88b197b7443679bb35a0< 069cfe3de2a5e16069485893cd04665ab769c1d8 | affected | ||
6.1 | affected | ||
< 6.1 | unaffected | ||
| … +6 条更多 | |||
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一、 漏洞 CVE-2026-72419 基础信息
漏洞信息
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Vulnerability Title
netfilter: nf_nat: avoid invalid nat_net pointer use on failed nf_nat_init()
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_nat: avoid invalid nat_net pointer use on failed nf_nat_init() We ran into below KASAN splat, which is mostly uninteresting, beside for having nf_nat_register_fn() in the call chain as a cause for the offending access: ================================================================== BUG: KASAN: slab-out-of-bounds in nf_nat_register_fn+0x5f9/0x640 Read of size 8 at addr ffff890031e54c20 by task iptables/9510 CPU: 0 UID: 0 PID: 9510 Comm: iptables Not tainted 6.18.18-grsec-full-20260320181326 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: <TASK> […] dump_stack_lvl+0xee/0x160 ffff88004117eeb8 […] print_report+0x6e/0x640 ffff88004117eee0 […] ? __phys_addr+0x8e/0x140 ffff88004117eef0 […] ? kasan_addr_to_slab+0x51/0xe0 ffff88004117ef08 […] ? complete_report_info+0xec/0x1c0 ffff88004117ef20 […] ? nf_nat_register_fn+0x5f9/0x640 ffff88004117ef48 […] kasan_report+0xbc/0x140 ffff88004117ef50 […] ? nf_nat_register_fn+0x5f9/0x640 ffff88004117ef90 […] nf_nat_register_fn+0x5f9/0x640 ffff88004117eff8 […] ? nf_nat_icmp_reply_translation+0x6e0/0x6e0 ffff88004117f070 […] nf_tables_register_hook.part.0+0xa0/0x220 ffff88004117f080 […] nf_tables_addchain.constprop.0+0x1054/0x1fc0 ffff88004117f0b8 […] ? nft_chain_lookup.part.0+0x4ce/0xac0 ffff88004117f130 […] ? nf_tables_abort+0x3d80/0x3d80 ffff88004117f190 […] ? nf_tables_dumpreset_obj+0x100/0x100 ffff88004117f1c8 […] ? nft_table_lookup.part.0+0x255/0x300 ffff88004117f310 […] ? nf_tables_newchain+0x21a4/0x2fa0 ffff88004117f358 […] nf_tables_newchain+0x21a4/0x2fa0 ffff88004117f360 […] ? nf_tables_addchain.constprop.0+0x1fc0/0x1fc0 ffff88004117f458 […] ? nla_get_range_signed+0x4a0/0x4a0 ffff88004117f488 […] ? lock_acquire+0x16f/0x320 ffff88004117f490 […] ? find_held_lock+0x3b/0xe0 ffff88004117f4b0 […] ? __nla_parse+0x45/0x80 ffff88004117f500 […] nfnetlink_rcv_batch+0xbca/0x19a0 ffff88004117f550 […] ? nfnetlink_net_exit_batch+0x120/0x120 ffff88004117f618 […] ? __sanitizer_cov_trace_switch+0x63/0xe0 ffff88004117f720 […] ? gr_acl_handle_mmap+0x1c4/0x320 ffff88004117f7c0 […] ? nla_get_range_signed+0x4a0/0x4a0 ffff88004117f7e8 […] ? gr_is_capable+0x6f/0xe0 ffff88004117f830 […] ? __nla_parse+0x45/0x80 ffff88004117f860 […] ? skb_pull+0x103/0x1a0 ffff88004117f880 […] nfnetlink_rcv+0x3db/0x4a0 ffff88004117f8b0 […] ? nfnetlink_rcv_batch+0x19a0/0x19a0 ffff88004117f8d8 […] ? netlink_lookup+0xe2/0x240 ffff88004117f900 […] netlink_unicast+0x74b/0xb00 ffff88004117f930 […] ? netlink_attachskb+0xb20/0xb20 ffff88004117f980 […] ? __check_object_size+0x3e/0xaa0 ffff88004117f998 […] ? security_netlink_send+0x51/0x160 ffff88004117f9c8 […] netlink_sendmsg+0xa03/0x1200 ffff88004117f9f8 […] ? netlink_unicast+0xb00/0xb00 ffff88004117fa70 […] ? netlink_unicast+0xb00/0xb00 ffff88004117fac8 […] ? ____sys_sendmsg+0xe2a/0x1040 ffff88004117faf8 […] ____sys_sendmsg+0xe2a/0x1040 ffff88004117fb00 […] ? kernel_recvmsg+0x300/0x300 ffff88004117fb60 […] ? reacquire_held_locks+0xe9/0x260 ffff88004117fbc8 […] ___sys_sendmsg+0x138/0x200 ffff88004117fbf8 […] ? do_recvmmsg+0x7e0/0x7e0 ffff88004117fc30 […] ? lockdep_hardirqs_on_prepare+0x101/0x1e0 ffff88004117fc50 […] ? lock_acquire+0x16f/0x320 ffff88004117fd20 […] ? lock_acquire+0x16f/0x320 ffff88004117fd58 […] ? find_held_lock+0x3b/0xe0 ffff88004117fd70 […] __sys_sendmsg+0x17a/0x260 ffff88004117fdc8 […] ? __sys_sendmsg_sock+0x80/0x80 ffff88004117fdf0 […] ? syscall_trace_enter+0x15e/0x2c0 ffff88004117fe98 […] do_syscall_64+0x7d/0x400 ffff88004117fec8 […] entry_SYSCALL_64_safe_stack+0x4a/0x60 ffff88004117fef8 </TASK> ================================================================== The out-of-bounds report, though, is a red herring as it is f ---truncated---
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel 6.1版本存在安全漏洞，该漏洞源于netfilter nf_nat模块在nf_nat_init失败时使用了无效的nat_net指针，可能导致越界读取。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2026-72419 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-72419 补丁与修复 (6)
同批安全公告 · Linux · 2026-08-15 · 共 845 条
| CVE-2026-74280 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-74309 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-74279 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-74475 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72407 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72408 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72421 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72493 | 9.9 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72472 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-74428 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72473 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72098 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-74433 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-74434 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72299 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72477 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72249 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72251 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72130 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-72137 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
显示前 20 条，共 845 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-72419
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