cve-2024-35896
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2024-08-02 03:21
Severity
Summary
netfilter: validate user input for expected length
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0c83842df40f86e529db6842231154772c20edcc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/18aae2cb87e5faa9c5bd865260ceadac60d5a6c5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/440e948cf0eff32cfe322dcbca3f2525354b159b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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          "programFiles": [
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            "net/ipv4/netfilter/arp_tables.c",
            "net/ipv4/netfilter/ip_tables.c",
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            "net/ipv4/netfilter/arp_tables.c",
            "net/ipv4/netfilter/ip_tables.c",
            "net/ipv6/netfilter/ip6_tables.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "version": "2.6.12"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: validate user input for expected length\n\nI got multiple syzbot reports showing old bugs exposed\nby BPF after commit 20f2505fb436 (\"bpf: Try to avoid kzalloc\nin cgroup/{s,g}etsockopt\")\n\nsetsockopt() @optlen argument should be taken into account\nbefore copying data.\n\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\n BUG: KASAN: slab-out-of-bounds in do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]\n BUG: KASAN: slab-out-of-bounds in do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627\nRead of size 96 at addr ffff88802cd73da0 by task syz-executor.4/7238\n\nCPU: 1 PID: 7238 Comm: syz-executor.4 Not tainted 6.9.0-rc2-next-20240403-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nCall Trace:\n \u003cTASK\u003e\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\n  print_address_description mm/kasan/report.c:377 [inline]\n  print_report+0x169/0x550 mm/kasan/report.c:488\n  kasan_report+0x143/0x180 mm/kasan/report.c:601\n  kasan_check_range+0x282/0x290 mm/kasan/generic.c:189\n  __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105\n  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n  copy_from_sockptr include/linux/sockptr.h:55 [inline]\n  do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]\n  do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627\n  nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101\n  do_sock_setsockopt+0x3af/0x720 net/socket.c:2311\n  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n  __do_sys_setsockopt net/socket.c:2343 [inline]\n  __se_sys_setsockopt net/socket.c:2340 [inline]\n  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x72/0x7a\nRIP: 0033:0x7fd22067dde9\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fd21f9ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 00007fd2207abf80 RCX: 00007fd22067dde9\nRDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003\nRBP: 00007fd2206ca47a R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000020000880 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007fd2207abf80 R15: 00007ffd2d0170d8\n \u003c/TASK\u003e\n\nAllocated by task 7238:\n  kasan_save_stack mm/kasan/common.c:47 [inline]\n  kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n  poison_kmalloc_redzone mm/kasan/common.c:370 [inline]\n  __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\n  kasan_kmalloc include/linux/kasan.h:211 [inline]\n  __do_kmalloc_node mm/slub.c:4069 [inline]\n  __kmalloc_noprof+0x200/0x410 mm/slub.c:4082\n  kmalloc_noprof include/linux/slab.h:664 [inline]\n  __cgroup_bpf_run_filter_setsockopt+0xd47/0x1050 kernel/bpf/cgroup.c:1869\n  do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\n  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n  __do_sys_setsockopt net/socket.c:2343 [inline]\n  __se_sys_setsockopt net/socket.c:2340 [inline]\n  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x72/0x7a\n\nThe buggy address belongs to the object at ffff88802cd73da0\n which belongs to the cache kmalloc-8 of size 8\nThe buggy address is located 0 bytes inside of\n allocated 1-byte region [ffff88802cd73da0, ffff88802cd73da1)\n\nThe buggy address belongs to the physical page:\npage: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802cd73020 pfn:0x2cd73\nflags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff)\npage_type: 0xffffefff(slab)\nraw: 00fff80000000000 ffff888015041280 dead000000000100 dead000000000122\nraw: ffff88802cd73020 000000008080007f 00000001ffffefff 00\n---truncated---"
        }
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      "providerMetadata": {
        "dateUpdated": "2024-05-29T05:30:52.876Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6"
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          "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
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      ],
      "title": "netfilter: validate user input for expected length",
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35896",
    "datePublished": "2024-05-19T08:34:51.034Z",
    "dateReserved": "2024-05-17T13:50:33.114Z",
    "dateUpdated": "2024-08-02T03:21:48.527Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35896\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-19T09:15:10.557\",\"lastModified\":\"2024-06-25T22:15:32.433\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: validate user input for expected length\\n\\nI got multiple syzbot reports showing old bugs exposed\\nby BPF after commit 20f2505fb436 (\\\"bpf: Try to avoid kzalloc\\nin cgroup/{s,g}etsockopt\\\")\\n\\nsetsockopt() @optlen argument should be taken into account\\nbefore copying data.\\n\\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\\n BUG: KASAN: slab-out-of-bounds in do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]\\n BUG: KASAN: slab-out-of-bounds in do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627\\nRead of size 96 at addr ffff88802cd73da0 by task syz-executor.4/7238\\n\\nCPU: 1 PID: 7238 Comm: syz-executor.4 Not tainted 6.9.0-rc2-next-20240403-syzkaller #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\\nCall Trace:\\n \u003cTASK\u003e\\n  __dump_stack lib/dump_stack.c:88 [inline]\\n  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\\n  print_address_description mm/kasan/report.c:377 [inline]\\n  print_report+0x169/0x550 mm/kasan/report.c:488\\n  kasan_report+0x143/0x180 mm/kasan/report.c:601\\n  kasan_check_range+0x282/0x290 mm/kasan/generic.c:189\\n  __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105\\n  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\\n  copy_from_sockptr include/linux/sockptr.h:55 [inline]\\n  do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]\\n  do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627\\n  nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101\\n  do_sock_setsockopt+0x3af/0x720 net/socket.c:2311\\n  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\\n  __do_sys_setsockopt net/socket.c:2343 [inline]\\n  __se_sys_setsockopt net/socket.c:2340 [inline]\\n  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\\n do_syscall_64+0xfb/0x240\\n entry_SYSCALL_64_after_hwframe+0x72/0x7a\\nRIP: 0033:0x7fd22067dde9\\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48\\nRSP: 002b:00007fd21f9ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\\nRAX: ffffffffffffffda RBX: 00007fd2207abf80 RCX: 00007fd22067dde9\\nRDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003\\nRBP: 00007fd2206ca47a R08: 0000000000000001 R09: 0000000000000000\\nR10: 0000000020000880 R11: 0000000000000246 R12: 0000000000000000\\nR13: 000000000000000b R14: 00007fd2207abf80 R15: 00007ffd2d0170d8\\n \u003c/TASK\u003e\\n\\nAllocated by task 7238:\\n  kasan_save_stack mm/kasan/common.c:47 [inline]\\n  kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\\n  poison_kmalloc_redzone mm/kasan/common.c:370 [inline]\\n  __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\\n  kasan_kmalloc include/linux/kasan.h:211 [inline]\\n  __do_kmalloc_node mm/slub.c:4069 [inline]\\n  __kmalloc_noprof+0x200/0x410 mm/slub.c:4082\\n  kmalloc_noprof include/linux/slab.h:664 [inline]\\n  __cgroup_bpf_run_filter_setsockopt+0xd47/0x1050 kernel/bpf/cgroup.c:1869\\n  do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\\n  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\\n  __do_sys_setsockopt net/socket.c:2343 [inline]\\n  __se_sys_setsockopt net/socket.c:2340 [inline]\\n  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\\n do_syscall_64+0xfb/0x240\\n entry_SYSCALL_64_after_hwframe+0x72/0x7a\\n\\nThe buggy address belongs to the object at ffff88802cd73da0\\n which belongs to the cache kmalloc-8 of size 8\\nThe buggy address is located 0 bytes inside of\\n allocated 1-byte region [ffff88802cd73da0, ffff88802cd73da1)\\n\\nThe buggy address belongs to the physical page:\\npage: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802cd73020 pfn:0x2cd73\\nflags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff)\\npage_type: 0xffffefff(slab)\\nraw: 00fff80000000000 ffff888015041280 dead000000000100 dead000000000122\\nraw: ffff88802cd73020 000000008080007f 00000001ffffefff 00\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netfilter: validar la entrada del usuario para la longitud esperada. Recib\u00ed varios informes de syzbot que muestran errores antiguos expuestos por BPF despu\u00e9s de la confirmaci\u00f3n 20f2505fb436 (\\\"bpf: intente evitar kzalloc en cgroup/{s,g} etsockopt\\\") setsockopt() El argumento @optlen debe tenerse en cuenta antes de copiar datos. ERROR: KASAN: losa fuera de l\u00edmites en copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] ERROR: KASAN: losa fuera de l\u00edmites en copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] ERROR: KASAN: losa fuera de los l\u00edmites en do_replace net/ipv4/netfilter/ip_tables.c:1111 [en l\u00ednea] ERROR: KASAN: losa fuera de los l\u00edmites en do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ ip_tables.c:1627 Lectura del tama\u00f1o 96 en la direcci\u00f3n ffff88802cd73da0 mediante la tarea syz-executor.4/7238 CPU: 1 PID: 7238 Comm: syz-executor.4 No contaminado 6.9.0-rc2-next-20240403-syzkaller #0 Hardware nombre: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/03/2024 Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/ kasan/report.c:377 [en l\u00ednea] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c :189 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] do_replace net/ipv4/netfilter/ip_tables .c:1111 [en l\u00ednea] do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627 nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101 do_sock_setsockopt+0x3af/0x720 net/socket.c:2 311 __sys_setsockopt +0x1ae/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [en l\u00ednea] __se_sys_setsockopt net/socket.c:2340 [en l\u00ednea] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 +0xfb/0x240 Entry_SYSCALL_64_after_hwframe+0x72/0x7a RIP: 0033:0x7fd22067dde9 C\u00f3digo: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd21f9ff0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000 00036 RAX: ffffffffffffffda RBX: 00007fd2207abf80 RCX: 00007fd22067dde9 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fd2206ca47a R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020000880 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd2207abf80 R15: 00007ffd2d0170d8 Asignado por la tarea 7238: kasan_save_stack mm/kasan/common. c:47 [en l\u00ednea] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [en l\u00ednea] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/ linux/kasan.h: 211 [en l\u00ednea] __do_kmalloc_node mm/slub.c: 4069 [inline] __kmalloc_noprof+0x200/0x410 mm/slub.c: 4082 kmalloc_noproof include/linux/slab.h: 664 [inline] __cgraGrempf_filup 47/ 0x1050 kernel/bpf/cgroup.c:1869 do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 __se_sys _setsockopt net/socket. c:2340 [en l\u00ednea] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 Entry_SYSCALL_64_after_hwframe+0x72/0x7a La direcci\u00f3n con errores pertenece al objeto en ffff88802cd73da0 que pertenece al cach\u00e9 kmalloc-8 de talla 8 el cochecito La direcci\u00f3n se encuentra a 0 bytes dentro de la regi\u00f3n asignada de 1 byte [ffff88802cd73da0, ffff88802cd73da1) La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: p\u00e1gina: refcount:1 mapcount:0 mapeo:00000000000000000 index:0xffff88802cd73020 pfn:0x2cd73 flags: 0xfff8000000 0000(nodo=0 |zone=1|lastcpupid=0xfff) tipo de p\u00e1gina: 0xfffffff(slab) raw: 00fff80000000000 ffff888015041280 dead000000000100 dead000000000122 raw: ffff88802cd73020 000000008080007f 00000001ffffefff 00\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c83842df40f86e529db6842231154772c20edcc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/18aae2cb87e5faa9c5bd865260ceadac60d5a6c5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/440e948cf0eff32cfe322dcbca3f2525354b159b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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