CVE-2022-49509

{
  "id": "CVE-2022-49509",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "66d8c9d2422da21ed41f75c03ba0685987b65fe0",
              "lessThan": "a4ec75df70575cdf33d9638c7844e729bfe6ce24",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "66d8c9d2422da21ed41f75c03ba0685987b65fe0",
              "lessThan": "579c77595dbbdfe4f2edf335899f86ac51eca4e9",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "66d8c9d2422da21ed41f75c03ba0685987b65fe0",
              "lessThan": "9dd783274c89c21a038d967b52a858a297e767f8",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "66d8c9d2422da21ed41f75c03ba0685987b65fe0",
              "lessThan": "365ab7ebc24eebb42b9e020aeb440d51af8960cd",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/media/i2c/max9286.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.9"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.9",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.15.46",
              "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/media/i2c/max9286.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-02-26T07:01:27.017",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/365ab7ebc24eebb42b9e020aeb440d51af8960cd",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/579c77595dbbdfe4f2edf335899f86ac51eca4e9",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/9dd783274c89c21a038d967b52a858a297e767f8",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a4ec75df70575cdf33d9638c7844e729bfe6ce24",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: i2c: max9286: fix kernel oops when removing module\n\nWhen removing the max9286 module we get a kernel oops:\n\nUnable to handle kernel paging request at virtual address 000000aa00000094\nMem abort info:\n  ESR = 0x96000004\n  EC = 0x25: DABT (current EL), IL = 32 bits\n  SET = 0, FnV = 0\n  EA = 0, S1PTW = 0\n  FSC = 0x04: level 0 translation fault\nData abort info:\n  ISV = 0, ISS = 0x00000004\n  CM = 0, WnR = 0\nuser pgtable: 4k pages, 48-bit VAs, pgdp=0000000880d85000\n[000000aa00000094] pgd=0000000000000000, p4d=0000000000000000\nInternal error: Oops: 96000004 [#1] PREEMPT SMP\nModules linked in: fsl_jr_uio caam_jr rng_core libdes caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine max9271 authenc crct10dif_ce mxc_jpeg_encdec\nCPU: 2 PID: 713 Comm: rmmod Tainted: G         C        5.15.5-00057-gaebcd29c8ed7-dirty #5\nHardware name: Freescale i.MX8QXP MEK (DT)\npstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : i2c_mux_del_adapters+0x24/0xf0\nlr : max9286_remove+0x28/0xd0 [max9286]\nsp : ffff800013a9bbf0\nx29: ffff800013a9bbf0 x28: ffff00080b6da940 x27: 0000000000000000\nx26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000\nx23: ffff000801a5b970 x22: ffff0008048b0890 x21: ffff800009297000\nx20: ffff0008048b0f70 x19: 000000aa00000064 x18: 0000000000000000\nx17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\nx14: 0000000000000014 x13: 0000000000000000 x12: ffff000802da49e8\nx11: ffff000802051918 x10: ffff000802da4920 x9 : ffff000800030098\nx8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : fefefeff6364626d\nx5 : 8080808000000000 x4 : 0000000000000000 x3 : 0000000000000000\nx2 : ffffffffffffffff x1 : ffff00080b6da940 x0 : 0000000000000000\nCall trace:\n i2c_mux_del_adapters+0x24/0xf0\n max9286_remove+0x28/0xd0 [max9286]\n i2c_device_remove+0x40/0x110\n __device_release_driver+0x188/0x234\n driver_detach+0xc4/0x150\n bus_remove_driver+0x60/0xe0\n driver_unregister+0x34/0x64\n i2c_del_driver+0x58/0xa0\n max9286_i2c_driver_exit+0x1c/0x490 [max9286]\n __arm64_sys_delete_module+0x194/0x260\n invoke_syscall+0x48/0x114\n el0_svc_common.constprop.0+0xd4/0xfc\n do_el0_svc+0x2c/0x94\n el0_svc+0x28/0x80\n el0t_64_sync_handler+0xa8/0x130\n el0t_64_sync+0x1a0/0x1a4\n\nThe Oops happens because the I2C client data does not point to\nmax9286_priv anymore but to v4l2_subdev. The change happened in\nmax9286_init() which calls v4l2_i2c_subdev_init() later on...\n\nBesides fixing the max9286_remove() function, remove the call to\ni2c_set_clientdata() in max9286_probe(), to avoid confusion, and make\nthe necessary changes to max9286_init() so that it doesn't have to use\ni2c_get_clientdata() in order to fetch the pointer to priv."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: i2c: max9286: arregla el error del kernel al eliminar el módulo Al eliminar el módulo max9286 obtenemos un error del kernel: No se puede gestionar la solicitud de paginación del kernel en la dirección virtual 000000aa00000094 Mem abort info: ESR = 0x96000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000880d85000 [000000aa00000094] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: fsl_jr_uio caam_jr rng_core libdes caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine max9271 authenc crct10dif_ce mxc_jpeg_encdec CPU: 2 PID: 713 Comm: rmmod Tainted: G C 5.15.5-00057-gaebcd29c8ed7-dirty #5 Hardware name: Freescale i.MX8QXP MEK (DT) pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : i2c_mux_del_adapters+0x24/0xf0 lr : max9286_remove+0x28/0xd0 [max9286] sp : ffff800013a9bbf0 x29: ffff800013a9bbf0 x28: ffff00080b6da940 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: ffff000801a5b970 x22: ffff0008048b0890 x21: ffff800009297000 x20: ffff0008048b0f70 x19: 000000aa00000064 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000014 x13: 0000000000000000 x12: ffff000802da49e8 x11: ffff000802051918 x10: ffff000802da4920 x9 : ffff000800030098 x8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : fefefeff6364626d x5 : 8080808000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : ffffffffffffffff x1 : ffff00080b6da940 x0 : 0000000000000000 Call trace: i2c_mux_del_adapters+0x24/0xf0 max9286_remove+0x28/0xd0 [max9286] i2c_device_remove+0x40/0x110 __device_release_driver+0x188/0x234 driver_detach+0xc4/0x150 bus_remove_driver+0x60/0xe0 driver_unregister+0x34/0x64 i2c_del_driver+0x58/0xa0 max9286_i2c_driver_exit+0x1c/0x490 [max9286] __arm64_sys_delete_module+0x194/0x260 invoke_syscall+0x48/0x114 el0_svc_common.constprop.0+0xd4/0xfc do_el0_svc+0x2c/0x94 el0_svc+0x28/0x80 el0t_64_sync_handler+0xa8/0x130 el0t_64_sync+0x1a0/0x1a4 The Oops happens because the I2C client data does not point to max9286_priv anymore but to v4l2_subdev. El cambio ocurrió en max9286_init() que llama a v4l2_i2c_subdev_init() más adelante... Además de arreglar la función max9286_remove(), elimine la llamada a i2c_set_clientdata() en max9286_probe(), para evitar confusiones, y haga los cambios necesarios en max9286_init() para que no tenga que usar i2c_get_clientdata() para obtener el puntero a priv."
    }
  ],
  "lastModified": "2026-06-17T05:18:16.890",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}