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FKIE_CVE-2022-48691

Vulnerability from fkie_nvd - Published: 2024-05-03 15:15 - Updated: 2026-06-17 05:15
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.3 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: clean up hook list when offload flags check fails splice back the hook list so nft_chain_release_hook() has a chance to release the hooks. BUG: memory leak unreferenced object 0xffff88810180b100 (size 96): comm "syz-executor133", pid 3619, jiffies 4294945714 (age 12.690s) hex dump (first 32 bytes): 28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff (d#.....(d#..... 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................ backtrace: [<ffffffff83a8c59b>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff83a8c59b>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901 [<ffffffff83a9239a>] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline] [<ffffffff83a9239a>] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073 [<ffffffff83a9b14b>] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218 [<ffffffff83a9c41b>] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593 [<ffffffff83a3d6a6>] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517 [<ffffffff83a3db79>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline] [<ffffffff83a3db79>] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656 [<ffffffff83a13b17>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] [<ffffffff83a13b17>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345 [<ffffffff83a13fd6>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 [<ffffffff83865ab6>] sock_sendmsg_nosec net/socket.c:714 [inline] [<ffffffff83865ab6>] sock_sendmsg+0x56/0x80 net/socket.c:734 [<ffffffff8386601c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482 [<ffffffff8386a918>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536 [<ffffffff8386aaa8>] __sys_sendmsg+0x88/0x100 net/socket.c:2565 [<ffffffff845e5955>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff845e5955>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nf_tables_api.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "910891a2a44cdc49efcc4fe7459c1085ba00d0f4",
              "status": "affected",
              "version": "d54725cd11a57c30f650260cfb0a92c268bdc3e0",
              "versionType": "git"
            },
            {
              "lessThan": "1ce55ec5cb7c573c983dffbe290b8d17caf1f157",
              "status": "affected",
              "version": "d54725cd11a57c30f650260cfb0a92c268bdc3e0",
              "versionType": "git"
            },
            {
              "lessThan": "94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5",
              "status": "affected",
              "version": "d54725cd11a57c30f650260cfb0a92c268bdc3e0",
              "versionType": "git"
            },
            {
              "lessThan": "77972a36ecc4db7fc7c68f0e80714263c5f03f65",
              "status": "affected",
              "version": "d54725cd11a57c30f650260cfb0a92c268bdc3e0",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nf_tables_api.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "lessThan": "5.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.143",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.68",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E77EECF5-C31E-4342-8014-AA844BB83A76",
              "versionEndExcluding": "5.10.143",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C440CED2-FE3C-495D-839C-857FFC6F523A",
              "versionEndExcluding": "5.15.68",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4895A99-6E1B-4C76-A510-FDED00AD7D29",
              "versionEndExcluding": "5.19.9",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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    [\u003cffffffff83a8c59b\u003e] kmalloc include/linux/slab.h:600 [inline]\n    [\u003cffffffff83a8c59b\u003e] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901\n    [\u003cffffffff83a9239a\u003e] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]\n    [\u003cffffffff83a9239a\u003e] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073\n    [\u003cffffffff83a9b14b\u003e] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218\n    [\u003cffffffff83a9c41b\u003e] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593\n    [\u003cffffffff83a3d6a6\u003e] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517\n    [\u003cffffffff83a3db79\u003e] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]\n    [\u003cffffffff83a3db79\u003e] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656\n    [\u003cffffffff83a13b17\u003e] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n    [\u003cffffffff83a13b17\u003e] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\n    [\u003cffffffff83a13fd6\u003e] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\n    [\u003cffffffff83865ab6\u003e] sock_sendmsg_nosec net/socket.c:714 [inline]\n    [\u003cffffffff83865ab6\u003e] sock_sendmsg+0x56/0x80 net/socket.c:734\n    [\u003cffffffff8386601c\u003e] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482\n    [\u003cffffffff8386a918\u003e] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\n    [\u003cffffffff8386aaa8\u003e] __sys_sendmsg+0x88/0x100 net/socket.c:2565\n    [\u003cffffffff845e5955\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n    [\u003cffffffff845e5955\u003e] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n    [\u003cffffffff84800087\u003e] 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 [\u0026lt; ffffffff83a9c41b\u0026gt;] 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\u0026gt;] 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"
    }
  ],
  "id": "CVE-2022-48691",
  "lastModified": "2026-06-17T05:15:56.110",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-48691",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-12T20:37:11.395564Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-03T15:15:07.887",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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

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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.


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