CVE-2025-40282 (GCVE-0-2025-40282)
Vulnerability from cvelistv5
Published
2025-12-06 21:51
Modified
2025-12-06 21:51
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has header_ops, so it must set link-local header for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW Add missing skb_reset_mac_header() for uncompressed ipv6 RX path. For the compressed one, it is done in lowpan_header_decompress(). Log: (BlueZ 6lowpan-tester Client Recv Raw - Success) ------ kernel BUG at net/core/skbuff.c:212! Call Trace: <IRQ> ... packet_rcv (net/packet/af_packet.c:2152) ... <TASK> __local_bh_enable_ip (kernel/softirq.c:407) netif_rx (net/core/dev.c:5648) chan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359) ------
References
Impacted products
Vendor Product Version
Linux Linux Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
Version: 18722c247023035b9e2e2a08a887adec2a9a6e49
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/6lowpan.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/6lowpan.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.14"
            },
            {
              "lessThan": "3.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.302",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.10.247",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.15.197",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.159",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.117",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.59",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.17.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
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              ],
              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: 6lowpan: reset link-local header on ipv6 recv path\n\nBluetooth 6lowpan.c netdev has header_ops, so it must set link-local\nheader for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW\n\nAdd missing skb_reset_mac_header() for uncompressed ipv6 RX path.\n\nFor the compressed one, it is done in lowpan_header_decompress().\n\nLog: (BlueZ 6lowpan-tester Client Recv Raw - Success)\n------\nkernel BUG at net/core/skbuff.c:212!\nCall Trace:\n\u003cIRQ\u003e\n...\npacket_rcv (net/packet/af_packet.c:2152)\n...\n\u003cTASK\u003e\n__local_bh_enable_ip (kernel/softirq.c:407)\nnetif_rx (net/core/dev.c:5648)\nchan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359)\n------"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-06T21:51:06.287Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ea46a1d217bc82e01cf3d0424e50ebfe251e34bf"
        },
        {
          "url": "https://git.kernel.org/stable/c/973e0271754c77db3e1b6b69adf2de85a79a4c8b"
        },
        {
          "url": "https://git.kernel.org/stable/c/d566e9a2bfc848941b091ffd5f4e12c4e889d818"
        },
        {
          "url": "https://git.kernel.org/stable/c/4ebb90c3c309e6375dc3e841af92e2a039843e62"
        },
        {
          "url": "https://git.kernel.org/stable/c/c24ac6cfe4f9a47180a65592c47e7a310d2f9d93"
        },
        {
          "url": "https://git.kernel.org/stable/c/11cd7e068381666f842ad41d1cc58eecd0c75237"
        },
        {
          "url": "https://git.kernel.org/stable/c/70d84e7c3a44b81020a3c3d650a64c63593405bd"
        },
        {
          "url": "https://git.kernel.org/stable/c/3b78f50918276ab28fb22eac9aa49401ac436a3b"
        }
      ],
      "title": "Bluetooth: 6lowpan: reset link-local header on ipv6 recv path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40282",
    "datePublished": "2025-12-06T21:51:06.287Z",
    "dateReserved": "2025-04-16T07:20:57.184Z",
    "dateUpdated": "2025-12-06T21:51:06.287Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-40282\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-06T22:15:56.253\",\"lastModified\":\"2025-12-06T22:15:56.253\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: 6lowpan: reset link-local header on ipv6 recv path\\n\\nBluetooth 6lowpan.c netdev has header_ops, so it must set link-local\\nheader for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW\\n\\nAdd missing skb_reset_mac_header() for uncompressed ipv6 RX path.\\n\\nFor the compressed one, it is done in lowpan_header_decompress().\\n\\nLog: (BlueZ 6lowpan-tester Client Recv Raw - Success)\\n------\\nkernel BUG at net/core/skbuff.c:212!\\nCall Trace:\\n\u003cIRQ\u003e\\n...\\npacket_rcv (net/packet/af_packet.c:2152)\\n...\\n\u003cTASK\u003e\\n__local_bh_enable_ip (kernel/softirq.c:407)\\nnetif_rx (net/core/dev.c:5648)\\nchan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359)\\n------\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/11cd7e068381666f842ad41d1cc58eecd0c75237\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3b78f50918276ab28fb22eac9aa49401ac436a3b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4ebb90c3c309e6375dc3e841af92e2a039843e62\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/70d84e7c3a44b81020a3c3d650a64c63593405bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/973e0271754c77db3e1b6b69adf2de85a79a4c8b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c24ac6cfe4f9a47180a65592c47e7a310d2f9d93\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d566e9a2bfc848941b091ffd5f4e12c4e889d818\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ea46a1d217bc82e01cf3d0424e50ebfe251e34bf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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