CVE-2022-49470 (GCVE-0-2022-49470)
Vulnerability from cvelistv5
Published
2025-02-26 02:13
Modified
2025-05-04 08:38
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: Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event We should not access skb buffer data anymore after hci_recv_frame was called. [ 39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0 [ 39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker [ 39.634962] Call trace: [ 39.634974] dump_backtrace+0x0/0x3b8 [ 39.634999] show_stack+0x20/0x2c [ 39.635016] dump_stack_lvl+0x60/0x78 [ 39.635040] print_address_description+0x70/0x2f0 [ 39.635062] kasan_report+0x154/0x194 [ 39.635079] __asan_report_load1_noabort+0x44/0x50 [ 39.635099] btmtksdio_recv_event+0x1b0/0x1c4 [ 39.635129] btmtksdio_txrx_work+0x6cc/0xac4 [ 39.635157] process_one_work+0x560/0xc5c [ 39.635177] worker_thread+0x7ec/0xcc0 [ 39.635195] kthread+0x2d0/0x3d0 [ 39.635215] ret_from_fork+0x10/0x20 [ 39.635247] Allocated by task 0: [ 39.635260] (stack is not available) [ 39.635281] Freed by task 2392: [ 39.635295] kasan_save_stack+0x38/0x68 [ 39.635319] kasan_set_track+0x28/0x3c [ 39.635338] kasan_set_free_info+0x28/0x4c [ 39.635357] ____kasan_slab_free+0x104/0x150 [ 39.635374] __kasan_slab_free+0x18/0x28 [ 39.635391] slab_free_freelist_hook+0x114/0x248 [ 39.635410] kfree+0xf8/0x2b4 [ 39.635427] skb_free_head+0x58/0x98 [ 39.635447] skb_release_data+0x2f4/0x410 [ 39.635464] skb_release_all+0x50/0x60 [ 39.635481] kfree_skb+0xc8/0x25c [ 39.635498] hci_event_packet+0x894/0xca4 [bluetooth] [ 39.635721] hci_rx_work+0x1c8/0x68c [bluetooth] [ 39.635925] process_one_work+0x560/0xc5c [ 39.635951] worker_thread+0x7ec/0xcc0 [ 39.635970] kthread+0x2d0/0x3d0 [ 39.635990] ret_from_fork+0x10/0x20 [ 39.636021] The buggy address belongs to the object at ffffff80cf28a600 which belongs to the cache kmalloc-512 of size 512 [ 39.636039] The buggy address is located 13 bytes inside of 512-byte region [ffffff80cf28a600, ffffff80cf28a800)
References
Impacted products
Vendor Product Version
Linux Linux Version: 9aebfd4a2200ab8075e44379c758bccefdc589bb
Version: 9aebfd4a2200ab8075e44379c758bccefdc589bb
Version: 9aebfd4a2200ab8075e44379c758bccefdc589bb
Version: 9aebfd4a2200ab8075e44379c758bccefdc589bb
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49470",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-27T18:15:58.795301Z",
                "version": "2.0.3"
              },
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        "problemTypes": [
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                "description": "CWE-416 Use After Free",
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          "dateUpdated": "2025-02-27T18:22:32.566Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/btmtksdio.c"
          ],
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            {
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "version": "5.2"
            },
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              "lessThan": "5.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "version": "5.15.54",
              "versionType": "semver"
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              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.14",
              "versionType": "semver"
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              "lessThanOrEqual": "5.18.*",
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              "version": "5.18.3",
              "versionType": "semver"
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              "lessThanOrEqual": "*",
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              "version": "5.19",
              "versionType": "original_commit_for_fix"
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        }
      ],
      "cpeApplicability": [
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          "nodes": [
            {
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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: btmtksdio: fix use-after-free at btmtksdio_recv_event\n\nWe should not access skb buffer data anymore after hci_recv_frame was\ncalled.\n\n[   39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0\n[   39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker\n[   39.634962] Call trace:\n[   39.634974]  dump_backtrace+0x0/0x3b8\n[   39.634999]  show_stack+0x20/0x2c\n[   39.635016]  dump_stack_lvl+0x60/0x78\n[   39.635040]  print_address_description+0x70/0x2f0\n[   39.635062]  kasan_report+0x154/0x194\n[   39.635079]  __asan_report_load1_noabort+0x44/0x50\n[   39.635099]  btmtksdio_recv_event+0x1b0/0x1c4\n[   39.635129]  btmtksdio_txrx_work+0x6cc/0xac4\n[   39.635157]  process_one_work+0x560/0xc5c\n[   39.635177]  worker_thread+0x7ec/0xcc0\n[   39.635195]  kthread+0x2d0/0x3d0\n[   39.635215]  ret_from_fork+0x10/0x20\n[   39.635247] Allocated by task 0:\n[   39.635260] (stack is not available)\n[   39.635281] Freed by task 2392:\n[   39.635295]  kasan_save_stack+0x38/0x68\n[   39.635319]  kasan_set_track+0x28/0x3c\n[   39.635338]  kasan_set_free_info+0x28/0x4c\n[   39.635357]  ____kasan_slab_free+0x104/0x150\n[   39.635374]  __kasan_slab_free+0x18/0x28\n[   39.635391]  slab_free_freelist_hook+0x114/0x248\n[   39.635410]  kfree+0xf8/0x2b4\n[   39.635427]  skb_free_head+0x58/0x98\n[   39.635447]  skb_release_data+0x2f4/0x410\n[   39.635464]  skb_release_all+0x50/0x60\n[   39.635481]  kfree_skb+0xc8/0x25c\n[   39.635498]  hci_event_packet+0x894/0xca4 [bluetooth]\n[   39.635721]  hci_rx_work+0x1c8/0x68c [bluetooth]\n[   39.635925]  process_one_work+0x560/0xc5c\n[   39.635951]  worker_thread+0x7ec/0xcc0\n[   39.635970]  kthread+0x2d0/0x3d0\n[   39.635990]  ret_from_fork+0x10/0x20\n[   39.636021] The buggy address belongs to the object at ffffff80cf28a600\n                which belongs to the cache kmalloc-512 of size 512\n[   39.636039] The buggy address is located 13 bytes inside of\n                512-byte region [ffffff80cf28a600, ffffff80cf28a800)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:38:25.391Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b3cec8a42fcd11d05313c724f27e01b1db77522c"
        },
        {
          "url": "https://git.kernel.org/stable/c/02ba31e09a26e8cd4582ac8e6163d80284997727"
        },
        {
          "url": "https://git.kernel.org/stable/c/01c6a899fa6be4f4cbf60c4f44f0f6691155415f"
        },
        {
          "url": "https://git.kernel.org/stable/c/0fab6361c4ba17d1b43a991bef4238a3c1754d35"
        }
      ],
      "title": "Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49470",
    "datePublished": "2025-02-26T02:13:14.024Z",
    "dateReserved": "2025-02-26T02:08:31.578Z",
    "dateUpdated": "2025-05-04T08:38:25.391Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49470\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:01:23.240\",\"lastModified\":\"2025-03-24T19:58:47.470\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event\\n\\nWe should not access skb buffer data anymore after hci_recv_frame was\\ncalled.\\n\\n[   39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0\\n[   39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker\\n[   39.634962] Call trace:\\n[   39.634974]  dump_backtrace+0x0/0x3b8\\n[   39.634999]  show_stack+0x20/0x2c\\n[   39.635016]  dump_stack_lvl+0x60/0x78\\n[   39.635040]  print_address_description+0x70/0x2f0\\n[   39.635062]  kasan_report+0x154/0x194\\n[   39.635079]  __asan_report_load1_noabort+0x44/0x50\\n[   39.635099]  btmtksdio_recv_event+0x1b0/0x1c4\\n[   39.635129]  btmtksdio_txrx_work+0x6cc/0xac4\\n[   39.635157]  process_one_work+0x560/0xc5c\\n[   39.635177]  worker_thread+0x7ec/0xcc0\\n[   39.635195]  kthread+0x2d0/0x3d0\\n[   39.635215]  ret_from_fork+0x10/0x20\\n[   39.635247] Allocated by task 0:\\n[   39.635260] (stack is not available)\\n[   39.635281] Freed by task 2392:\\n[   39.635295]  kasan_save_stack+0x38/0x68\\n[   39.635319]  kasan_set_track+0x28/0x3c\\n[   39.635338]  kasan_set_free_info+0x28/0x4c\\n[   39.635357]  ____kasan_slab_free+0x104/0x150\\n[   39.635374]  __kasan_slab_free+0x18/0x28\\n[   39.635391]  slab_free_freelist_hook+0x114/0x248\\n[   39.635410]  kfree+0xf8/0x2b4\\n[   39.635427]  skb_free_head+0x58/0x98\\n[   39.635447]  skb_release_data+0x2f4/0x410\\n[   39.635464]  skb_release_all+0x50/0x60\\n[   39.635481]  kfree_skb+0xc8/0x25c\\n[   39.635498]  hci_event_packet+0x894/0xca4 [bluetooth]\\n[   39.635721]  hci_rx_work+0x1c8/0x68c [bluetooth]\\n[   39.635925]  process_one_work+0x560/0xc5c\\n[   39.635951]  worker_thread+0x7ec/0xcc0\\n[   39.635970]  kthread+0x2d0/0x3d0\\n[   39.635990]  ret_from_fork+0x10/0x20\\n[   39.636021] The buggy address belongs to the object at ffffff80cf28a600\\n                which belongs to the cache kmalloc-512 of size 512\\n[   39.636039] The buggy address is located 13 bytes inside of\\n                512-byte region [ffffff80cf28a600, ffffff80cf28a800)\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btmtksdio: se corrige el use-after-free en btmtksdio_recv_event Ya no deber\u00edamos acceder a los datos del b\u00fafer skb despu\u00e9s de llamar a hci_recv_frame. [ 39.634809] ERROR: KASAN: use-after-free in btmtksdio_recv_event+0x1b0 [ 39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker [ 39.634962] Call trace: [ 39.634974] dump_backtrace+0x0/0x3b8 [ 39.634999] show_stack+0x20/0x2c [ 39.635016] dump_stack_lvl+0x60/0x78 [ 39.635040] print_address_description+0x70/0x2f0 [ 39.635062] kasan_report+0x154/0x194 [ 39.635079] __asan_report_load1_noabort+0x44/0x50 [ 39.635099] btmtksdio_recv_event+0x1b0/0x1c4 [ 39.635129] btmtksdio_txrx_work+0x6cc/0xac4 [ 39.635157] process_one_work+0x560/0xc5c [ 39.635177] worker_thread+0x7ec/0xcc0 [ 39.635195] kthread+0x2d0/0x3d0 [ 39.635215] ret_from_fork+0x10/0x20 [ 39.635247] Allocated by task 0: [ 39.635260] (stack is not available) [ 39.635281] Freed by task 2392: [ 39.635295] kasan_save_stack+0x38/0x68 [ 39.635319] kasan_set_track+0x28/0x3c [ 39.635338] kasan_set_free_info+0x28/0x4c [ 39.635357] ____kasan_slab_free+0x104/0x150 [ 39.635374] __kasan_slab_free+0x18/0x28 [ 39.635391] slab_free_freelist_hook+0x114/0x248 [ 39.635410] kfree+0xf8/0x2b4 [ 39.635427] skb_free_head+0x58/0x98 [ 39.635447] skb_release_data+0x2f4/0x410 [ 39.635464] skb_release_all+0x50/0x60 [ 39.635481] kfree_skb+0xc8/0x25c [ 39.635498] hci_event_packet+0x894/0xca4 [bluetooth] [ 39.635721] hci_rx_work+0x1c8/0x68c [bluetooth] [ 39.635925] process_one_work+0x560/0xc5c [ 39.635951] worker_thread+0x7ec/0xcc0 [ 39.635970] kthread+0x2d0/0x3d0 [ 39.635990] ret_from_fork+0x10/0x20 [ 39.636021] The buggy address belongs to the object at ffffff80cf28a600 which belongs to the cache kmalloc-512 of size 512 [ 39.636039] The buggy address is located 13 bytes inside of 512-byte region [ffffff80cf28a600, ffffff80cf28a800) \"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2\",\"versionEndExcluding\":\"5.15.54\",\"matchCriteriaId\":\"2A62F037-652E-4FE9-83E5-34D00905DD46\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.17.14\",\"matchCriteriaId\":\"15E2DD33-2255-4B76-9C15-04FF8CBAB252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.18\",\"versionEndExcluding\":\"5.18.3\",\"matchCriteriaId\":\"8E122216-2E9E-4B3E-B7B8-D575A45BA3C2\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/01c6a899fa6be4f4cbf60c4f44f0f6691155415f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/02ba31e09a26e8cd4582ac8e6163d80284997727\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0fab6361c4ba17d1b43a991bef4238a3c1754d35\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b3cec8a42fcd11d05313c724f27e01b1db77522c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49470\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-27T18:15:58.795301Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-27T18:16:00.186Z\"}}], \"cna\": {\"title\": \"Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9aebfd4a2200ab8075e44379c758bccefdc589bb\", \"lessThan\": \"b3cec8a42fcd11d05313c724f27e01b1db77522c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9aebfd4a2200ab8075e44379c758bccefdc589bb\", \"lessThan\": \"02ba31e09a26e8cd4582ac8e6163d80284997727\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9aebfd4a2200ab8075e44379c758bccefdc589bb\", \"lessThan\": \"01c6a899fa6be4f4cbf60c4f44f0f6691155415f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9aebfd4a2200ab8075e44379c758bccefdc589bb\", \"lessThan\": \"0fab6361c4ba17d1b43a991bef4238a3c1754d35\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/bluetooth/btmtksdio.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.2\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.2\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.15.54\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.18.*\"}, {\"status\": \"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/bluetooth/btmtksdio.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b3cec8a42fcd11d05313c724f27e01b1db77522c\"}, {\"url\": \"https://git.kernel.org/stable/c/02ba31e09a26e8cd4582ac8e6163d80284997727\"}, {\"url\": \"https://git.kernel.org/stable/c/01c6a899fa6be4f4cbf60c4f44f0f6691155415f\"}, {\"url\": \"https://git.kernel.org/stable/c/0fab6361c4ba17d1b43a991bef4238a3c1754d35\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event\\n\\nWe should not access skb buffer data anymore after hci_recv_frame was\\ncalled.\\n\\n[   39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0\\n[   39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker\\n[   39.634962] Call trace:\\n[   39.634974]  dump_backtrace+0x0/0x3b8\\n[   39.634999]  show_stack+0x20/0x2c\\n[   39.635016]  dump_stack_lvl+0x60/0x78\\n[   39.635040]  print_address_description+0x70/0x2f0\\n[   39.635062]  kasan_report+0x154/0x194\\n[   39.635079]  __asan_report_load1_noabort+0x44/0x50\\n[   39.635099]  btmtksdio_recv_event+0x1b0/0x1c4\\n[   39.635129]  btmtksdio_txrx_work+0x6cc/0xac4\\n[   39.635157]  process_one_work+0x560/0xc5c\\n[   39.635177]  worker_thread+0x7ec/0xcc0\\n[   39.635195]  kthread+0x2d0/0x3d0\\n[   39.635215]  ret_from_fork+0x10/0x20\\n[   39.635247] Allocated by task 0:\\n[   39.635260] (stack is not available)\\n[   39.635281] Freed by task 2392:\\n[   39.635295]  kasan_save_stack+0x38/0x68\\n[   39.635319]  kasan_set_track+0x28/0x3c\\n[   39.635338]  kasan_set_free_info+0x28/0x4c\\n[   39.635357]  ____kasan_slab_free+0x104/0x150\\n[   39.635374]  __kasan_slab_free+0x18/0x28\\n[   39.635391]  slab_free_freelist_hook+0x114/0x248\\n[   39.635410]  kfree+0xf8/0x2b4\\n[   39.635427]  skb_free_head+0x58/0x98\\n[   39.635447]  skb_release_data+0x2f4/0x410\\n[   39.635464]  skb_release_all+0x50/0x60\\n[   39.635481]  kfree_skb+0xc8/0x25c\\n[   39.635498]  hci_event_packet+0x894/0xca4 [bluetooth]\\n[   39.635721]  hci_rx_work+0x1c8/0x68c [bluetooth]\\n[   39.635925]  process_one_work+0x560/0xc5c\\n[   39.635951]  worker_thread+0x7ec/0xcc0\\n[   39.635970]  kthread+0x2d0/0x3d0\\n[   39.635990]  ret_from_fork+0x10/0x20\\n[   39.636021] The buggy address belongs to the object at ffffff80cf28a600\\n                which belongs to the cache kmalloc-512 of size 512\\n[   39.636039] The buggy address is located 13 bytes inside of\\n                512-byte region [ffffff80cf28a600, ffffff80cf28a800)\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.54\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.14\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.3\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"5.2\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:38:25.391Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49470\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:38:25.391Z\", \"dateReserved\": \"2025-02-26T02:08:31.578Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:13:14.024Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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