fkie_cve-2022-48912
Vulnerability from fkie_nvd
Published
2024-08-22 02:15
Modified
2024-08-27 16:12
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/05f7927b25d2635e87267ff6c79db79fb46cf313Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/49c24579cec41e32f13d57b337fd28fb208d4a5bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/56763f12b0f02706576a088e85ef856deacc98a0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a8076e98dde17224dd47283b894a8b1dbe1bc72Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8b0142c4143c1ca297dcf2c0cdd045d65dae2344Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bd61f192a339b1095dfd6d56073a5265934c2979Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bdd8fc1b826e6f23963f5bef3f7431c6188ec954Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
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      {
         nodes: [
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               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "64D82A2D-7E3F-4739-BADB-F611732BE6C2",
                     versionEndExcluding: "4.14.270",
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                     versionEndExcluding: "5.10.104",
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                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B3A8E092-3021-4A34-8DCE-B89D2238818B",
                     versionEndExcluding: "5.15.27",
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                     vulnerable: true,
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                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B871B667-EDC0-435D-909E-E918D8D90995",
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               negate: false,
               operator: "OR",
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   ],
   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 <TASK>\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 <48> 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 </TASK>\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 resolvió la siguiente vulnerabilidad: netfilter: corrige el use-after-free en __nf_register_net_hook() No debemos eliminar la referencia a @new_hooks después 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 línea] ERROR: KASAN: use-after-free en ganchos_validate net/netfilter/core.c:171 [en línea] ERROR: KASAN: use-after-free en __nf_register_net_hook+0x77a/0x820 net/netfilter/core.c:438 Lectura de tamaño 2 en la dirección 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 línea] 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 línea] 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 línea] 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 línea] 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 línea] __se_sys_setsockopt net/socket.c:2188 [en línea] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c : 50 [en línea] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 Entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f65a1ace7d9 Código: 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 &lt;48&gt; 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 dirección del error pertenece a la página: página: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 página volcada porque: kasan: mal acceso detectado page_owner rastrea la página como página liberada asignada por última 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 línea] ---truncado---",
      },
   ],
   id: "CVE-2022-48912",
   lastModified: "2024-08-27T16:12:47.173",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 7.8,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-08-22T02:15:05.550",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         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",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Analyzed",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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