nvd-json-data-feeds/CVE-2022/CVE-2022-486xx/CVE-2022-48691.json

{
  "id": "CVE-2022-48691",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-03T15:15:07.887",
  "lastModified": "2024-05-23T20:34:05.590",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: clean up hook list when offload flags check fails\n\nsplice back the hook list so nft_chain_release_hook() has a chance to\nrelease the hooks.\n\nBUG: memory leak\nunreferenced object 0xffff88810180b100 (size 96):\n  comm \"syz-executor133\", pid 3619, jiffies 4294945714 (age 12.690s)\n  hex dump (first 32 bytes):\n    28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff  (d#.....(d#.....\n    90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff  ................\n  backtrace:\n    [<ffffffff83a8c59b>] kmalloc include/linux/slab.h:600 [inline]\n    [<ffffffff83a8c59b>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901\n    [<ffffffff83a9239a>] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]\n    [<ffffffff83a9239a>] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073\n    [<ffffffff83a9b14b>] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218\n    [<ffffffff83a9c41b>] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593\n    [<ffffffff83a3d6a6>] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517\n    [<ffffffff83a3db79>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]\n    [<ffffffff83a3db79>] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656\n    [<ffffffff83a13b17>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n    [<ffffffff83a13b17>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\n    [<ffffffff83a13fd6>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\n    [<ffffffff83865ab6>] sock_sendmsg_nosec net/socket.c:714 [inline]\n    [<ffffffff83865ab6>] sock_sendmsg+0x56/0x80 net/socket.c:734\n    [<ffffffff8386601c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482\n    [<ffffffff8386a918>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\n    [<ffffffff8386aaa8>] __sys_sendmsg+0x88/0x100 net/socket.c:2565\n    [<ffffffff845e5955>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n    [<ffffffff845e5955>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_tables: limpia la lista de ganchos cuando falla la verificaci\u00f3n de indicadores de descarga, vuelve a unir la lista de ganchos para que nft_chain_release_hook() tenga la oportunidad de liberar los ganchos. ERROR: p\u00e9rdida de memoria objeto sin referencia 0xffff88810180b100 (tama\u00f1o 96): comunicaci\u00f3n \"syz-executor133\", pid 3619, jiffies 4294945714 (edad 12.690 s) volcado hexadecimal (primeros 32 bytes): 28 64 23 02 81 88 ff ff 28 64 02 81 88 ff ff (d#.....(d#..... 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................ retroceso : [] kmalloc include/linux/slab.h:600 [en l\u00ednea] [] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901 [] netdev net/netfilter/nf_tables_api. c:1998 [en l\u00ednea] [] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073 [] nf_tables_addchain.constprop.0+0x10b/0x950 f_tables_api.c:2218 [&lt; ffffffff83a9c41b&gt;] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593 [] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517 [] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c: 638 [en l\u00ednea] [] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656 [] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [en l\u00ednea] [] emitir+0x397/ 0x4c0 net/netlink/af_netlink.c:1345 [] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 [] sock_sendmsg_nosec net/socket.c:714 [en l\u00ednea] 65ab6&gt;] sock_sendmsg+0x56/0x80 net/socket.c:734 [] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482 [] ___sys_sendmsg+0xa8/0x110 36 [ ] __sys_sendmsg+0x88/0x100 net/socket.c:2565 [] do_syscall_x64 arch/x86/entry/common.c:50 [en l\u00ednea] [] do_syscall_64+0x35/0xb0 arch/x86/ent ry/com\u00fan .c:80 [] entrada_SYSCALL_64_after_hwframe+0x63/0xcd"
    }
  ],
  "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:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.5",
              "versionEndExcluding": "5.10.143",
              "matchCriteriaId": "E77EECF5-C31E-4342-8014-AA844BB83A76"
            },
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.11",
              "versionEndExcluding": "5.15.68",
              "matchCriteriaId": "C440CED2-FE3C-495D-839C-857FFC6F523A"
            },
            {
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.16",
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              "matchCriteriaId": "B4895A99-6E1B-4C76-A510-FDED00AD7D29"
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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}