CVE-2022-48912 (GCVE-0-2022-48912)

Vulnerability from cvelistv5 – Published: 2024-08-22 01:31 – Updated: 2026-05-11 18:49
VLAI
Title
netfilter: fix use-after-free in __nf_register_net_hook()
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: fix use-after-free in __nf_register_net_hook() We must not dereference @new_hooks after nf_hook_mutex has been released, because other threads might have freed our allocated hooks already. BUG: KASAN: use-after-free in nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline] BUG: KASAN: use-after-free in hooks_validate net/netfilter/core.c:171 [inline] BUG: KASAN: use-after-free in __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438 Read of size 2 at addr ffff88801c1a8000 by task syz-executor237/4430 CPU: 1 PID: 4430 Comm: syz-executor237 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x8d/0x336 mm/kasan/report.c:255 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline] hooks_validate net/netfilter/core.c:171 [inline] __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438 nf_register_net_hook+0x114/0x170 net/netfilter/core.c:571 nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:587 nf_synproxy_ipv6_init+0x85/0xe0 net/netfilter/nf_synproxy_core.c:1218 synproxy_tg6_check+0x30d/0x560 net/ipv6/netfilter/ip6t_SYNPROXY.c:81 xt_check_target+0x26c/0x9e0 net/netfilter/x_tables.c:1038 check_target net/ipv6/netfilter/ip6_tables.c:530 [inline] find_check_entry.constprop.0+0x7f1/0x9e0 net/ipv6/netfilter/ip6_tables.c:573 translate_table+0xc8b/0x1750 net/ipv6/netfilter/ip6_tables.c:735 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x56e/0xb90 net/ipv6/netfilter/ip6_tables.c:1639 nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x122/0x180 net/ipv6/ipv6_sockglue.c:1024 rawv6_setsockopt+0xd3/0x6a0 net/ipv6/raw.c:1084 __sys_setsockopt+0x2db/0x610 net/socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [inline] __se_sys_setsockopt net/socket.c:2188 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f65a1ace7d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f65a1a7f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65a1ace7d9 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007f65a1b574c8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 00007f65a1b55130 R13: 00007f65a1b574c0 R14: 00007f65a1b24090 R15: 0000000000022000 </TASK> The buggy address belongs to the page: page:ffffea0000706a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c1a8 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 ffffea0001c1b108 ffffea000046dd08 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 2, migratetype Unmovable, gfp_mask 0x52dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO), pid 4430, ts 1061781545818, free_ts 1061791488993 prep_new_page mm/page_alloc.c:2434 [inline] get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4165 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5389 __alloc_pages_node include/linux/gfp.h:572 [inline] alloc_pages_node include/linux/gfp.h:595 [inline] kmalloc_large_node+0x62/0x130 mm/slub.c:4438 __kmalloc_node+0x35a/0x4a0 mm/slub. ---truncated---
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2420b79f8c18a75ee2417cace381f4604b9b4365 , < 05f7927b25d2635e87267ff6c79db79fb46cf313 (git)
Affected: 2420b79f8c18a75ee2417cace381f4604b9b4365 , < bdd8fc1b826e6f23963f5bef3f7431c6188ec954 (git)
Affected: 2420b79f8c18a75ee2417cace381f4604b9b4365 , < 49c24579cec41e32f13d57b337fd28fb208d4a5b (git)
Affected: 2420b79f8c18a75ee2417cace381f4604b9b4365 , < 8b0142c4143c1ca297dcf2c0cdd045d65dae2344 (git)
Affected: 2420b79f8c18a75ee2417cace381f4604b9b4365 , < bd61f192a339b1095dfd6d56073a5265934c2979 (git)
Affected: 2420b79f8c18a75ee2417cace381f4604b9b4365 , < 5a8076e98dde17224dd47283b894a8b1dbe1bc72 (git)
Affected: 2420b79f8c18a75ee2417cace381f4604b9b4365 , < 56763f12b0f02706576a088e85ef856deacc98a0 (git)
Create a notification for this product.
Linux Linux Affected: 4.14
Unaffected: 0 , < 4.14 (semver)
Unaffected: 4.14.270 , ≤ 4.14.* (semver)
Unaffected: 4.19.233 , ≤ 4.19.* (semver)
Unaffected: 5.4.183 , ≤ 5.4.* (semver)
Unaffected: 5.10.104 , ≤ 5.10.* (semver)
Unaffected: 5.15.27 , ≤ 5.15.* (semver)
Unaffected: 5.16.13 , ≤ 5.16.* (semver)
Unaffected: 5.17 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: fix use-after-free in __nf_register_net_hook()\n\nWe must not dereference @new_hooks after nf_hook_mutex has been released,\nbecause other threads might have freed our allocated hooks already.\n\nBUG: KASAN: use-after-free in nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline]\nBUG: KASAN: use-after-free in hooks_validate net/netfilter/core.c:171 [inline]\nBUG: KASAN: use-after-free in __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438\nRead of size 2 at addr ffff88801c1a8000 by task syz-executor237/4430\n\nCPU: 1 PID: 4430 Comm: syz-executor237 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n print_address_description.constprop.0.cold+0x8d/0x336 mm/kasan/report.c:255\n __kasan_report mm/kasan/report.c:442 [inline]\n kasan_report.cold+0x83/0xdf mm/kasan/report.c:459\n nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline]\n hooks_validate net/netfilter/core.c:171 [inline]\n __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438\n nf_register_net_hook+0x114/0x170 net/netfilter/core.c:571\n nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:587\n nf_synproxy_ipv6_init+0x85/0xe0 net/netfilter/nf_synproxy_core.c:1218\n synproxy_tg6_check+0x30d/0x560 net/ipv6/netfilter/ip6t_SYNPROXY.c:81\n xt_check_target+0x26c/0x9e0 net/netfilter/x_tables.c:1038\n check_target net/ipv6/netfilter/ip6_tables.c:530 [inline]\n find_check_entry.constprop.0+0x7f1/0x9e0 net/ipv6/netfilter/ip6_tables.c:573\n translate_table+0xc8b/0x1750 net/ipv6/netfilter/ip6_tables.c:735\n do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline]\n do_ip6t_set_ctl+0x56e/0xb90 net/ipv6/netfilter/ip6_tables.c:1639\n nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101\n ipv6_setsockopt+0x122/0x180 net/ipv6/ipv6_sockglue.c:1024\n rawv6_setsockopt+0xd3/0x6a0 net/ipv6/raw.c:1084\n __sys_setsockopt+0x2db/0x610 net/socket.c:2180\n __do_sys_setsockopt net/socket.c:2191 [inline]\n __se_sys_setsockopt net/socket.c:2188 [inline]\n __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x7f65a1ace7d9\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f65a1a7f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65a1ace7d9\nRDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003\nRBP: 00007f65a1b574c8 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000020000000 R11: 0000000000000246 R12: 00007f65a1b55130\nR13: 00007f65a1b574c0 R14: 00007f65a1b24090 R15: 0000000000022000\n \u003c/TASK\u003e\n\nThe buggy address belongs to the page:\npage:ffffea0000706a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c1a8\nflags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)\nraw: 00fff00000000000 ffffea0001c1b108 ffffea000046dd08 0000000000000000\nraw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner tracks the page as freed\npage last allocated via order 2, migratetype Unmovable, gfp_mask 0x52dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO), pid 4430, ts 1061781545818, free_ts 1061791488993\n prep_new_page mm/page_alloc.c:2434 [inline]\n get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4165\n __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5389\n __alloc_pages_node include/linux/gfp.h:572 [inline]\n alloc_pages_node include/linux/gfp.h:595 [inline]\n kmalloc_large_node+0x62/0x130 mm/slub.c:4438\n __kmalloc_node+0x35a/0x4a0 mm/slub.\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T18:49:34.267Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/05f7927b25d2635e87267ff6c79db79fb46cf313"
        },
        {
          "url": "https://git.kernel.org/stable/c/bdd8fc1b826e6f23963f5bef3f7431c6188ec954"
        },
        {
          "url": "https://git.kernel.org/stable/c/49c24579cec41e32f13d57b337fd28fb208d4a5b"
        },
        {
          "url": "https://git.kernel.org/stable/c/8b0142c4143c1ca297dcf2c0cdd045d65dae2344"
        },
        {
          "url": "https://git.kernel.org/stable/c/bd61f192a339b1095dfd6d56073a5265934c2979"
        },
        {
          "url": "https://git.kernel.org/stable/c/5a8076e98dde17224dd47283b894a8b1dbe1bc72"
        },
        {
          "url": "https://git.kernel.org/stable/c/56763f12b0f02706576a088e85ef856deacc98a0"
        }
      ],
      "title": "netfilter: fix use-after-free in __nf_register_net_hook()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48912",
    "datePublished": "2024-08-22T01:31:25.620Z",
    "dateReserved": "2024-08-21T06:06:23.294Z",
    "dateUpdated": "2026-05-11T18:49:34.267Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-48912",
      "date": "2026-06-05",
      "epss": "0.00023",
      "percentile": "0.06869"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48912\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-22T02:15:05.550\",\"lastModified\":\"2024-08-27T16:12:47.173\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: fix use-after-free in __nf_register_net_hook()\\n\\nWe must not dereference @new_hooks after nf_hook_mutex has been released,\\nbecause other threads might have freed our allocated hooks already.\\n\\nBUG: KASAN: use-after-free in nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline]\\nBUG: KASAN: use-after-free in hooks_validate net/netfilter/core.c:171 [inline]\\nBUG: KASAN: use-after-free in __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438\\nRead of size 2 at addr ffff88801c1a8000 by task syz-executor237/4430\\n\\nCPU: 1 PID: 4430 Comm: syz-executor237 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\\nCall Trace:\\n \u003cTASK\u003e\\n __dump_stack lib/dump_stack.c:88 [inline]\\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\\n print_address_description.constprop.0.cold+0x8d/0x336 mm/kasan/report.c:255\\n __kasan_report mm/kasan/report.c:442 [inline]\\n kasan_report.cold+0x83/0xdf mm/kasan/report.c:459\\n nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline]\\n hooks_validate net/netfilter/core.c:171 [inline]\\n __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438\\n nf_register_net_hook+0x114/0x170 net/netfilter/core.c:571\\n nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:587\\n nf_synproxy_ipv6_init+0x85/0xe0 net/netfilter/nf_synproxy_core.c:1218\\n synproxy_tg6_check+0x30d/0x560 net/ipv6/netfilter/ip6t_SYNPROXY.c:81\\n xt_check_target+0x26c/0x9e0 net/netfilter/x_tables.c:1038\\n check_target net/ipv6/netfilter/ip6_tables.c:530 [inline]\\n find_check_entry.constprop.0+0x7f1/0x9e0 net/ipv6/netfilter/ip6_tables.c:573\\n translate_table+0xc8b/0x1750 net/ipv6/netfilter/ip6_tables.c:735\\n do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline]\\n do_ip6t_set_ctl+0x56e/0xb90 net/ipv6/netfilter/ip6_tables.c:1639\\n nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101\\n ipv6_setsockopt+0x122/0x180 net/ipv6/ipv6_sockglue.c:1024\\n rawv6_setsockopt+0xd3/0x6a0 net/ipv6/raw.c:1084\\n __sys_setsockopt+0x2db/0x610 net/socket.c:2180\\n __do_sys_setsockopt net/socket.c:2191 [inline]\\n __se_sys_setsockopt net/socket.c:2188 [inline]\\n __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188\\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\\n entry_SYSCALL_64_after_hwframe+0x44/0xae\\nRIP: 0033:0x7f65a1ace7d9\\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\\nRSP: 002b:00007f65a1a7f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\\nRAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65a1ace7d9\\nRDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003\\nRBP: 00007f65a1b574c8 R08: 0000000000000001 R09: 0000000000000000\\nR10: 0000000020000000 R11: 0000000000000246 R12: 00007f65a1b55130\\nR13: 00007f65a1b574c0 R14: 00007f65a1b24090 R15: 0000000000022000\\n \u003c/TASK\u003e\\n\\nThe buggy address belongs to the page:\\npage:ffffea0000706a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c1a8\\nflags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)\\nraw: 00fff00000000000 ffffea0001c1b108 ffffea000046dd08 0000000000000000\\nraw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000\\npage dumped because: kasan: bad access detected\\npage_owner tracks the page as freed\\npage last allocated via order 2, migratetype Unmovable, gfp_mask 0x52dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO), pid 4430, ts 1061781545818, free_ts 1061791488993\\n prep_new_page mm/page_alloc.c:2434 [inline]\\n get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4165\\n __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5389\\n __alloc_pages_node include/linux/gfp.h:572 [inline]\\n alloc_pages_node include/linux/gfp.h:595 [inline]\\n kmalloc_large_node+0x62/0x130 mm/slub.c:4438\\n __kmalloc_node+0x35a/0x4a0 mm/slub.\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netfilter: corrige el use-after-free en __nf_register_net_hook() No debemos eliminar la referencia a @new_hooks despu\u00e9s de que se haya lanzado nf_hook_mutex, porque es posible que otros subprocesos ya hayan liberado nuestros ganchos asignados. ERROR: KASAN: use-after-free en nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [en l\u00ednea] ERROR: KASAN: use-after-free en ganchos_validate net/netfilter/core.c:171 [en l\u00ednea] ERROR: KASAN: use-after-free en __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438 Lectura de tama\u00f1o 2 en la direcci\u00f3n ffff88801c1a8000 por tarea syz-executor237/4430 CPU: 1 PID: 4430 Comm: syz-executor237 No contaminado 5.17.0 -rc5-syzkaller-00306-g2293be58d6a1 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0xcd/ 0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x8d/0x336 mm/kasan/report.c:255 __kasan_report mm/kasan/report.c:442 [en l\u00ednea] kasan_report.cold+0x83/0xdf mm/ kasan/report.c: 459 nf_hook_entries_get_hook_ops include/linux/netfilter.h: 130 [inline] gooks_validate net/netfilter/core.c: 171 [inline] __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c: 438 nf_net_hook+0x77a/0x820 net/netfilter/core.c: 438 nf_net_hook+0x77a/0x820 net/netfilter/core.c: 438 nfhhook_net_net+0x11 /0x170 net/netfilter/core.c:571 nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:587 nf_synproxy_ipv6_init+0x85/0xe0 net/netfilter/nf_synproxy_core.c:1218 synproxy_tg6_check+0x30d/0x560 ipv6/filtro de red/ ip6t_SYNPROXY.c:81 xt_check_target+0x26c/0x9e0 net/netfilter/x_tables.c:1038 check_target net/ipv6/netfilter/ip6_tables.c:530 [en l\u00ednea] find_check_entry.constprop.0+0x7f1/0x9e0 net/ipv6/netfilter/ip6_tables .c:573 traducir_table+0xc8b/0x1750 net/ipv6/netfilter/ip6_tables.c:735 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [en l\u00ednea] do_ip6t_set_ctl+0x56e/0xb90 net/ipv6/netfilter/ip6_tables.c: 1639 nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x122/0x180 net/ipv6/ipv6_sockglue.c:1024 rawv6_setsockopt+0xd3/0x6a0 net/ipv6/raw.c:1084 ys_setsockopt+0x2db/0x610 neto/ socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [en l\u00ednea] __se_sys_setsockopt net/socket.c:2188 [en l\u00ednea] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c : 50 [en l\u00ednea] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 Entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f65a1ace7d9 C\u00f3digo: 28 00 00 00 75 05 48 83 c4 28 c3 e8 1 15 00 00 90 48 89 F8 48 89 F7 48 89 D6 48 89 CA 4D 89 C2 4D 89 C8 4C 8B 4C 24 08 0F 05 \u0026lt;48\u0026gt; 3D 01 F0 FF FF 73 01 C3 48 C7 C1 B8 FF FF FF F7 D8 64 89 01 48 RSP: 002b:00007f65a1a7f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000000000006 RCX: 00007f65a1ace7d9 RDX: 00000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007f65a1b574c8 R08: 0000000000000001 R09: 000000000000000 R10: 000000002 0000000 R11: 0000000000000246 R12: 00007f65a1b55130 R13: 00007f65a1b574c0 R14: 00007f65a1b24090 R15: 0000000000022000  La direcci\u00f3n del error pertenece a la p\u00e1gina: p\u00e1gina:ffffea0000706a00 refcount:0 mapcount:0 mapeo:0000000000000000 index:0x0 pfn:0x1c1a8 flags: 0xfff000000 00000(nodo=0|zona=1|lastcpupid=0x7ff) crudo: 00fff00000000000 ffffea0001c1b108 ffffea000046dd08 0000000000000000 crudo: 0000000000000000 00000000000000000 00000000ffffffff 00000000000 00000 p\u00e1gina volcada porque: kasan: mal acceso detectado page_owner rastrea la p\u00e1gina como p\u00e1gina liberada asignada por \u00faltima vez mediante orden 2, migrar tipo Inamovible, gfp_mask 0x52dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO) , pid 4430, ts 1061781545818, free_ts 1061791488993 prep_new_page mm/page_alloc.c:2434 [en l\u00ednea] ---truncado---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.14\",\"versionEndExcluding\":\"4.14.270\",\"matchCriteriaId\":\"64D82A2D-7E3F-4739-BADB-F611732BE6C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.233\",\"matchCriteriaId\":\"B59A7E33-6262-458E-AC76-E8CC4E812344\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.183\",\"matchCriteriaId\":\"76A7616E-E6B9-4A7F-AA7C-1D47F774215F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.104\",\"matchCriteriaId\":\"764998FC-D1F7-4BAA-BD56-A553C7AB8F08\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.27\",\"matchCriteriaId\":\"B3A8E092-3021-4A34-8DCE-B89D2238818B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.13\",\"matchCriteriaId\":\"B871B667-EDC0-435D-909E-E918D8D90995\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/05f7927b25d2635e87267ff6c79db79fb46cf313\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/49c24579cec41e32f13d57b337fd28fb208d4a5b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/56763f12b0f02706576a088e85ef856deacc98a0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5a8076e98dde17224dd47283b894a8b1dbe1bc72\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8b0142c4143c1ca297dcf2c0cdd045d65dae2344\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bd61f192a339b1095dfd6d56073a5265934c2979\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bdd8fc1b826e6f23963f5bef3f7431c6188ec954\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-48912\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:33:57.260667Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:12.838Z\"}}], \"cna\": {\"title\": \"netfilter: fix use-after-free in __nf_register_net_hook()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2420b79f8c18\", \"lessThan\": \"05f7927b25d2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2420b79f8c18\", \"lessThan\": \"bdd8fc1b826e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2420b79f8c18\", \"lessThan\": \"49c24579cec4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2420b79f8c18\", \"lessThan\": \"8b0142c4143c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2420b79f8c18\", \"lessThan\": \"bd61f192a339\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2420b79f8c18\", \"lessThan\": \"5a8076e98dde\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2420b79f8c18\", \"lessThan\": \"56763f12b0f0\", \"versionType\": \"git\"}], \"programFiles\": [\"net/netfilter/core.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.14\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.14\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.14.270\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.233\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.183\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.104\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.27\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.16.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.16.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netfilter/core.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/05f7927b25d2635e87267ff6c79db79fb46cf313\"}, {\"url\": \"https://git.kernel.org/stable/c/bdd8fc1b826e6f23963f5bef3f7431c6188ec954\"}, {\"url\": \"https://git.kernel.org/stable/c/49c24579cec41e32f13d57b337fd28fb208d4a5b\"}, {\"url\": \"https://git.kernel.org/stable/c/8b0142c4143c1ca297dcf2c0cdd045d65dae2344\"}, {\"url\": \"https://git.kernel.org/stable/c/bd61f192a339b1095dfd6d56073a5265934c2979\"}, {\"url\": \"https://git.kernel.org/stable/c/5a8076e98dde17224dd47283b894a8b1dbe1bc72\"}, {\"url\": \"https://git.kernel.org/stable/c/56763f12b0f02706576a088e85ef856deacc98a0\"}], \"x_generator\": {\"engine\": \"bippy-9e1c9544281a\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: fix use-after-free in __nf_register_net_hook()\\n\\nWe must not dereference @new_hooks after nf_hook_mutex has been released,\\nbecause other threads might have freed our allocated hooks already.\\n\\nBUG: KASAN: use-after-free in nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline]\\nBUG: KASAN: use-after-free in hooks_validate net/netfilter/core.c:171 [inline]\\nBUG: KASAN: use-after-free in __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438\\nRead of size 2 at addr ffff88801c1a8000 by task syz-executor237/4430\\n\\nCPU: 1 PID: 4430 Comm: syz-executor237 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\\nCall Trace:\\n \u003cTASK\u003e\\n __dump_stack lib/dump_stack.c:88 [inline]\\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\\n print_address_description.constprop.0.cold+0x8d/0x336 mm/kasan/report.c:255\\n __kasan_report mm/kasan/report.c:442 [inline]\\n kasan_report.cold+0x83/0xdf mm/kasan/report.c:459\\n nf_hook_entries_get_hook_ops include/linux/netfilter.h:130 [inline]\\n hooks_validate net/netfilter/core.c:171 [inline]\\n __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438\\n nf_register_net_hook+0x114/0x170 net/netfilter/core.c:571\\n nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:587\\n nf_synproxy_ipv6_init+0x85/0xe0 net/netfilter/nf_synproxy_core.c:1218\\n synproxy_tg6_check+0x30d/0x560 net/ipv6/netfilter/ip6t_SYNPROXY.c:81\\n xt_check_target+0x26c/0x9e0 net/netfilter/x_tables.c:1038\\n check_target net/ipv6/netfilter/ip6_tables.c:530 [inline]\\n find_check_entry.constprop.0+0x7f1/0x9e0 net/ipv6/netfilter/ip6_tables.c:573\\n translate_table+0xc8b/0x1750 net/ipv6/netfilter/ip6_tables.c:735\\n do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline]\\n do_ip6t_set_ctl+0x56e/0xb90 net/ipv6/netfilter/ip6_tables.c:1639\\n nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101\\n ipv6_setsockopt+0x122/0x180 net/ipv6/ipv6_sockglue.c:1024\\n rawv6_setsockopt+0xd3/0x6a0 net/ipv6/raw.c:1084\\n __sys_setsockopt+0x2db/0x610 net/socket.c:2180\\n __do_sys_setsockopt net/socket.c:2191 [inline]\\n __se_sys_setsockopt net/socket.c:2188 [inline]\\n __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188\\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\\n entry_SYSCALL_64_after_hwframe+0x44/0xae\\nRIP: 0033:0x7f65a1ace7d9\\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\\nRSP: 002b:00007f65a1a7f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\\nRAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65a1ace7d9\\nRDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003\\nRBP: 00007f65a1b574c8 R08: 0000000000000001 R09: 0000000000000000\\nR10: 0000000020000000 R11: 0000000000000246 R12: 00007f65a1b55130\\nR13: 00007f65a1b574c0 R14: 00007f65a1b24090 R15: 0000000000022000\\n \u003c/TASK\u003e\\n\\nThe buggy address belongs to the page:\\npage:ffffea0000706a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c1a8\\nflags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)\\nraw: 00fff00000000000 ffffea0001c1b108 ffffea000046dd08 0000000000000000\\nraw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000\\npage dumped because: kasan: bad access detected\\npage_owner tracks the page as freed\\npage last allocated via order 2, migratetype Unmovable, gfp_mask 0x52dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO), pid 4430, ts 1061781545818, free_ts 1061791488993\\n prep_new_page mm/page_alloc.c:2434 [inline]\\n get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4165\\n __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5389\\n __alloc_pages_node include/linux/gfp.h:572 [inline]\\n alloc_pages_node include/linux/gfp.h:595 [inline]\\n kmalloc_large_node+0x62/0x130 mm/slub.c:4438\\n __kmalloc_node+0x35a/0x4a0 mm/slub.\\n---truncated---\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-11-04T12:19:01.803Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48912\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-04T12:19:01.803Z\", \"dateReserved\": \"2024-08-21T06:06:23.294Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-22T01:31:25.620Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.