Vulnerability-Lookup

FKIE_CVE-2022-48803

Vulnerability from fkie_nvd - Published: 2024-07-16 12:15 - Updated: 2026-08-04 10:17

Severity

7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: phy: ti: Fix missing sentinel for clk_div_table _get_table_maxdiv() tries to access "clk_div_table" array out of bound defined in phy-j721e-wiz.c. Add a sentinel entry to prevent the following global-out-of-bounds error reported by enabling KASAN. [ 9.552392] BUG: KASAN: global-out-of-bounds in _get_maxdiv+0xc0/0x148 [ 9.558948] Read of size 4 at addr ffff8000095b25a4 by task kworker/u4:1/38 [ 9.565926] [ 9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 Not tainted 5.16.0-116492-gdaadb3bd0e8d-dirty #360 [ 9.576242] Hardware name: Texas Instruments J721e EVM (DT) [ 9.581832] Workqueue: events_unbound deferred_probe_work_func [ 9.587708] Call trace: [ 9.590174] dump_backtrace+0x20c/0x218 [ 9.594038] show_stack+0x18/0x68 [ 9.597375] dump_stack_lvl+0x9c/0xd8 [ 9.601062] print_address_description.constprop.0+0x78/0x334 [ 9.606830] kasan_report+0x1f0/0x260 [ 9.610517] __asan_load4+0x9c/0xd8 [ 9.614030] _get_maxdiv+0xc0/0x148 [ 9.617540] divider_determine_rate+0x88/0x488 [ 9.622005] divider_round_rate_parent+0xc8/0x124 [ 9.626729] wiz_clk_div_round_rate+0x54/0x68 [ 9.631113] clk_core_determine_round_nolock+0x124/0x158 [ 9.636448] clk_core_round_rate_nolock+0x68/0x138 [ 9.641260] clk_core_set_rate_nolock+0x268/0x3a8 [ 9.645987] clk_set_rate+0x50/0xa8 [ 9.649499] cdns_sierra_phy_init+0x88/0x248 [ 9.653794] phy_init+0x98/0x108 [ 9.657046] cdns_pcie_enable_phy+0xa0/0x170 [ 9.661340] cdns_pcie_init_phy+0x250/0x2b0 [ 9.665546] j721e_pcie_probe+0x4b8/0x798 [ 9.669579] platform_probe+0x8c/0x108 [ 9.673350] really_probe+0x114/0x630 [ 9.677037] __driver_probe_device+0x18c/0x220 [ 9.681505] driver_probe_device+0xac/0x150 [ 9.685712] __device_attach_driver+0xec/0x170 [ 9.690178] bus_for_each_drv+0xf0/0x158 [ 9.694124] __device_attach+0x184/0x210 [ 9.698070] device_initial_probe+0x14/0x20 [ 9.702277] bus_probe_device+0xec/0x100 [ 9.706223] deferred_probe_work_func+0x124/0x180 [ 9.710951] process_one_work+0x4b0/0xbc0 [ 9.714983] worker_thread+0x74/0x5d0 [ 9.718668] kthread+0x214/0x230 [ 9.721919] ret_from_fork+0x10/0x20 [ 9.725520] [ 9.727032] The buggy address belongs to the variable: [ 9.732183] clk_div_table+0x24/0x440

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86ed	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919f	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86ed	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	5.17
linux	linux_kernel	5.17
linux	linux_kernel	5.17

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/phy/ti/phy-j721e-wiz.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3c75d1017cb362b6a4e0935746ef5da28250919f",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            },
            {
              "lessThan": "7a360e546ad9e7c3fd53d6bb60348c660cd28f54",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            },
            {
              "lessThan": "5b0c9569135a37348c1267c81e8b0274b21a86ed",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            },
            {
              "lessThan": "6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/phy/ti/phy-j721e-wiz.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.6"
            },
            {
              "lessThan": "5.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.24",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEB0DD0F-F48C-4AC3-A823-A1A4B6FDF106",
              "versionEndExcluding": "5.10.101",
              "versionStartIncluding": "5.6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "866451F0-299E-416C-B0B8-AE6B33E62CCA",
              "versionEndExcluding": "5.15.24",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "679523BA-1392-404B-AB85-F5A5408B1ECC",
              "versionEndExcluding": "5.16.10",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "E6E34B23-78B4-4516-9BD8-61B33F4AC49A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "C030FA3D-03F4-4FB9-9DBF-D08E5CAC51AA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: ti: Fix missing sentinel for clk_div_table\n\n_get_table_maxdiv() tries to access \"clk_div_table\" array out of bound\ndefined in phy-j721e-wiz.c. Add a sentinel entry to prevent\nthe following global-out-of-bounds error reported by enabling KASAN.\n\n[    9.552392] BUG: KASAN: global-out-of-bounds in _get_maxdiv+0xc0/0x148\n[    9.558948] Read of size 4 at addr ffff8000095b25a4 by task kworker/u4:1/38\n[    9.565926]\n[    9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 Not tainted 5.16.0-116492-gdaadb3bd0e8d-dirty #360\n[    9.576242] Hardware name: Texas Instruments J721e EVM (DT)\n[    9.581832] Workqueue: events_unbound deferred_probe_work_func\n[    9.587708] Call trace:\n[    9.590174]  dump_backtrace+0x20c/0x218\n[    9.594038]  show_stack+0x18/0x68\n[    9.597375]  dump_stack_lvl+0x9c/0xd8\n[    9.601062]  print_address_description.constprop.0+0x78/0x334\n[    9.606830]  kasan_report+0x1f0/0x260\n[    9.610517]  __asan_load4+0x9c/0xd8\n[    9.614030]  _get_maxdiv+0xc0/0x148\n[    9.617540]  divider_determine_rate+0x88/0x488\n[    9.622005]  divider_round_rate_parent+0xc8/0x124\n[    9.626729]  wiz_clk_div_round_rate+0x54/0x68\n[    9.631113]  clk_core_determine_round_nolock+0x124/0x158\n[    9.636448]  clk_core_round_rate_nolock+0x68/0x138\n[    9.641260]  clk_core_set_rate_nolock+0x268/0x3a8\n[    9.645987]  clk_set_rate+0x50/0xa8\n[    9.649499]  cdns_sierra_phy_init+0x88/0x248\n[    9.653794]  phy_init+0x98/0x108\n[    9.657046]  cdns_pcie_enable_phy+0xa0/0x170\n[    9.661340]  cdns_pcie_init_phy+0x250/0x2b0\n[    9.665546]  j721e_pcie_probe+0x4b8/0x798\n[    9.669579]  platform_probe+0x8c/0x108\n[    9.673350]  really_probe+0x114/0x630\n[    9.677037]  __driver_probe_device+0x18c/0x220\n[    9.681505]  driver_probe_device+0xac/0x150\n[    9.685712]  __device_attach_driver+0xec/0x170\n[    9.690178]  bus_for_each_drv+0xf0/0x158\n[    9.694124]  __device_attach+0x184/0x210\n[    9.698070]  device_initial_probe+0x14/0x20\n[    9.702277]  bus_probe_device+0xec/0x100\n[    9.706223]  deferred_probe_work_func+0x124/0x180\n[    9.710951]  process_one_work+0x4b0/0xbc0\n[    9.714983]  worker_thread+0x74/0x5d0\n[    9.718668]  kthread+0x214/0x230\n[    9.721919]  ret_from_fork+0x10/0x20\n[    9.725520]\n[    9.727032] The buggy address belongs to the variable:\n[    9.732183]  clk_div_table+0x24/0x440"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: phy: ti: corrige el centinela faltante para clk_div_table _get_table_maxdiv() intenta acceder a la matriz \"clk_div_table\" fuera del l\u00edmite definido en phy-j721e-wiz.c. Agregue una entrada centinela para evitar el siguiente error global fuera de los l\u00edmites informado al habilitar KASAN. [9.552392] ERROR: KASAN: global fuera de los l\u00edmites en _get_maxdiv+0xc0/0x148 [9.558948] Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff8000095b25a4 por tarea kworker/u4:1/38 [9.565926] [9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 No contaminado 5.16.0-116492-gdaadb3bd0e8d-dirty #360 [ 9.576242] Nombre de hardware: Texas Instruments J721e EVM (DT) [ 9.581832] Cola de trabajo: events_unbound deferred_probe_work_func [ 9.587708] Seguimiento de llamadas: [ 9.590174] dump_backtrace+0x20c/0x218 [ 9.594038] show_stack+0x18/0x68 [ 9.597375] dump_stack_lvl+0x9c/0xd8 [ 9.601062] print_address_description.constprop.0+0x78/0x334 [ 9.606830] 0x1f0/0x260 [9.610517] __asan_load4+0x9c/0xd8 [ 9.614030] _get_maxdiv+0xc0/0x148 [ 9.617540] divider_determinate_rate+0x88/0x488 [ 9.622005] divider_round_rate_parent+0xc8/0x124 [ 9.626729] wiz_clk_div_round_rate+0x54/0x68 [ 9.6 31113] clk_core_determine_round_nolock+0x124/0x158 [ 9.636448] clk_core_round_rate_nolock+0x68/0x138 [ 9.641260] clk_core_set_rate_nolock+0x268/0x3a8 [ 9.645987] clk_set_rate+0x50/0xa8 [ 9.649499] cdns_sierra_phy_init+0x88/0x248 [ 9.653794] phy_init+0x98/0x108 [ 9.657046] cdns_pcie_enable_phy+0xa0/0x170 [ 9.661340] cdns_pcie_init_phy+0x250/0x2b0 [ 9.665546] j721e_pcie_probe+ 0x4b8/0x798 [ 9.669579] platform_probe+0x8c/0x108 [ 9.673350] very_probe+0x114/0x630 [ 9.677037] __driver_probe_device+0x18c/0x220 [ 9.681505] driver_probe_device+0xac/0x 150 [9.685712] __device_attach_driver+0xec/0x170 [9.690178] bus_for_each_drv+0xf0/ 0x158 [ 9.694124] __device_attach+0x184/0x210 [ 9.698070] device_initial_probe+0x14/0x20 [ 9.702277] bus_probe_device+0xec/0x100 [ 9.706223] deferred_probe_work_func+0x124/0x1 80 [ 9.710951] proceso_un_trabajo+0x4b0/0xbc0 [ 9.714983] hilo_trabajador+0x74/0x5d0 [ 9.718668] kthread+0x214/0x230 [ 9.721919] ret_from_fork+0x10/0x20 [ 9.725520] [ 9.727032] La direcci\u00f3n del error pertenece a la variable: [ 9.732183] clk_div_table+0x24/0x440"
    }
  ],
  "id": "CVE-2022-48803",
  "lastModified": "2026-08-04T10:17:22.427",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.5,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-48803",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:58:57.262200Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-16T12:15:04.760",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86ed"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86ed"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2022-48803 (GCVE-0-2022-48803)

Vulnerability from cvelistv5 – Published: 2024-07-16 11:43 – Updated: 2026-08-05 08:52

Title

phy: ti: Fix missing sentinel for clk_div_table

Summary

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 16:58 UTC

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/3c75d1017cb362b6a…
https://git.kernel.org/stable/c/7a360e546ad9e7c3f…
https://git.kernel.org/stable/c/5b0c9569135a37348…
https://git.kernel.org/stable/c/6d1e6bcb31663ee83…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 091876cc355d6739e393efa4b3d07f451a6a035c , < 3c75d1017cb362b6a4e0935746ef5da28250919f (git) Affected: 091876cc355d6739e393efa4b3d07f451a6a035c , < 7a360e546ad9e7c3fd53d6bb60348c660cd28f54 (git) Affected: 091876cc355d6739e393efa4b3d07f451a6a035c , < 5b0c9569135a37348c1267c81e8b0274b21a86ed (git) Affected: 091876cc355d6739e393efa4b3d07f451a6a035c , < 6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69 (git)
Linux	Linux	Affected: 5.6 Unaffected: 0 , < 5.6 (semver) Unaffected: 5.10.101 , ≤ 5.10.* (semver) Unaffected: 5.15.24 , ≤ 5.15.* (semver) Unaffected: 5.16.10 , ≤ 5.16.* (semver) Unaffected: 5.17 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:25:01.572Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919f"
          },
          {
            "tags": [
              "x_transferred"
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            "url": "https://git.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54"
          },
          {
            "tags": [
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            "url": "https://git.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86ed"
          },
          {
            "tags": [
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            "url": "https://git.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-48803",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:58:57.262200Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:34:14.151Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/phy/ti/phy-j721e-wiz.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3c75d1017cb362b6a4e0935746ef5da28250919f",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            },
            {
              "lessThan": "7a360e546ad9e7c3fd53d6bb60348c660cd28f54",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            },
            {
              "lessThan": "5b0c9569135a37348c1267c81e8b0274b21a86ed",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            },
            {
              "lessThan": "6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69",
              "status": "affected",
              "version": "091876cc355d6739e393efa4b3d07f451a6a035c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/phy/ti/phy-j721e-wiz.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.6"
            },
            {
              "lessThan": "5.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.24",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.101",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.24",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.16.10",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.17",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: ti: Fix missing sentinel for clk_div_table\n\n_get_table_maxdiv() tries to access \"clk_div_table\" array out of bound\ndefined in phy-j721e-wiz.c. Add a sentinel entry to prevent\nthe following global-out-of-bounds error reported by enabling KASAN.\n\n[    9.552392] BUG: KASAN: global-out-of-bounds in _get_maxdiv+0xc0/0x148\n[    9.558948] Read of size 4 at addr ffff8000095b25a4 by task kworker/u4:1/38\n[    9.565926]\n[    9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 Not tainted 5.16.0-116492-gdaadb3bd0e8d-dirty #360\n[    9.576242] Hardware name: Texas Instruments J721e EVM (DT)\n[    9.581832] Workqueue: events_unbound deferred_probe_work_func\n[    9.587708] Call trace:\n[    9.590174]  dump_backtrace+0x20c/0x218\n[    9.594038]  show_stack+0x18/0x68\n[    9.597375]  dump_stack_lvl+0x9c/0xd8\n[    9.601062]  print_address_description.constprop.0+0x78/0x334\n[    9.606830]  kasan_report+0x1f0/0x260\n[    9.610517]  __asan_load4+0x9c/0xd8\n[    9.614030]  _get_maxdiv+0xc0/0x148\n[    9.617540]  divider_determine_rate+0x88/0x488\n[    9.622005]  divider_round_rate_parent+0xc8/0x124\n[    9.626729]  wiz_clk_div_round_rate+0x54/0x68\n[    9.631113]  clk_core_determine_round_nolock+0x124/0x158\n[    9.636448]  clk_core_round_rate_nolock+0x68/0x138\n[    9.641260]  clk_core_set_rate_nolock+0x268/0x3a8\n[    9.645987]  clk_set_rate+0x50/0xa8\n[    9.649499]  cdns_sierra_phy_init+0x88/0x248\n[    9.653794]  phy_init+0x98/0x108\n[    9.657046]  cdns_pcie_enable_phy+0xa0/0x170\n[    9.661340]  cdns_pcie_init_phy+0x250/0x2b0\n[    9.665546]  j721e_pcie_probe+0x4b8/0x798\n[    9.669579]  platform_probe+0x8c/0x108\n[    9.673350]  really_probe+0x114/0x630\n[    9.677037]  __driver_probe_device+0x18c/0x220\n[    9.681505]  driver_probe_device+0xac/0x150\n[    9.685712]  __device_attach_driver+0xec/0x170\n[    9.690178]  bus_for_each_drv+0xf0/0x158\n[    9.694124]  __device_attach+0x184/0x210\n[    9.698070]  device_initial_probe+0x14/0x20\n[    9.702277]  bus_probe_device+0xec/0x100\n[    9.706223]  deferred_probe_work_func+0x124/0x180\n[    9.710951]  process_one_work+0x4b0/0xbc0\n[    9.714983]  worker_thread+0x74/0x5d0\n[    9.718668]  kthread+0x214/0x230\n[    9.721919]  ret_from_fork+0x10/0x20\n[    9.725520]\n[    9.727032] The buggy address belongs to the variable:\n[    9.732183]  clk_div_table+0x24/0x440"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is in the TI J721E WIZ SERDES wrapper clock table and is reached only through local platform driver probe (deferred_probe \u2192 j721e_pcie_probe \u2192 phy_init \u2192 clk_set_rate); it is not reachable via network packets or physical plug-in interfaces.\nAC:L - On affected TI K3/J721E hardware the missing sentinel causes a deterministic out-of-bounds walk of clk_div_table on every clk_set_rate of the dig-div clocks during PHY init, with no race or attacker-uncontrollable memory layout requirement.\nPR:L - The vulnerable path runs automatically during boot/deferred probe (and again on PCIe resume via cdns_pcie_enable_phy), so no elevated capability is required for the defect to manifest; PR:H is not chosen because attacker action or real root is not needed.\nUI:N - Exploitation requires no victim action such as opening a file, mounting a filesystem, or writing a sysfs attribute; probe/resume triggers the OOB read on its own.\nS:U - The out-of-bounds read and any resulting incorrect divider programming stay within the kernel/SoC security authority; there is no VM, IOMMU, or sandbox boundary crossing.\nC:H - This is an unbounded global out-of-bounds read past clk_div_table into adjacent kernel .rodata/.data until a zero div field is found, and those values feed maxdiv used for further rate decisions, so confidentiality impact is High per OOB-read guidance.\nI:L - Corrupted maxdiv can cause incorrect but width-bounded divider values to be programmed via regmap_field_write into SERDES clock registers; that is limited hardware-state modification, not an arbitrary kernel write or control-flow hijack.\nA:H - The defect produces a KASAN global-out-of-bounds condition that panics under panic_on_warn, and a runaway table walk or misprogrammed PHY reference clocks can crash or permanently disrupt PCIe/SERDES bring-up on automotive and industrial J721E platforms."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T08:52:27.780Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919f"
        },
        {
          "url": "https://git.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54"
        },
        {
          "url": "https://git.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86ed"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69"
        }
      ],
      "title": "phy: ti: Fix missing sentinel for clk_div_table",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48803",
    "datePublished": "2024-07-16T11:43:55.616Z",
    "dateReserved": "2024-07-16T11:38:08.896Z",
    "dateUpdated": "2026-08-05T08:52:27.780Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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FKIE_CVE-2022-48803

CVE-2022-48803 (GCVE-0-2022-48803)

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