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CVE-2025-71103

Estado: AnalizadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

drm/msm: adreno: fix deferencing ifpc_reglist when not declared

Check the validity of ifpc_reglist before deferencing the table to setup the register values.

Patchwork: https://patchwork.freedesktop.org/patch/688944/

Detalles técnicos trazas, registros y código del informe original
On plaforms with an a7xx GPU not supporting IFPC, the ifpc_reglist
if still deferenced in a7xx_patch_pwrup_reglist() which causes
a kernel crash:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
...
pc : a6xx_hw_init+0x155c/0x1e4c [msm]
lr : a6xx_hw_init+0x9a8/0x1e4c [msm]
...
Call trace:
  a6xx_hw_init+0x155c/0x1e4c [msm] (P)
  msm_gpu_hw_init+0x58/0x88 [msm]
  adreno_load_gpu+0x94/0x1fc [msm]
  msm_open+0xe4/0xf4 [msm]
  drm_file_alloc+0x1a0/0x2e4 [drm]
  drm_client_init+0x7c/0x104 [drm]
  drm_fbdev_client_setup+0x94/0xcf0 [drm_client_lib]
  drm_client_setup+0xb4/0xd8 [drm_client_lib]
  msm_drm_kms_post_init+0x2c/0x3c [msm]
  msm_drm_init+0x1a4/0x228 [msm]
  msm_drm_bind+0x30/0x3c [msm]
...

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-71103",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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              "status": "affected",
              "version": "a6a0157cc68ec561392fc81f603b5b9de1a20e4e",
              "lessThan": "19648135e904bce447d368ecb6136e5da809639c",
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          "programFiles": [
            "drivers/gpu/drm/msm/adreno/a6xx_gpu.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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              "status": "affected",
              "version": "6.18"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.18",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.18.3",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/msm/adreno/a6xx_gpu.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-01-14T15:15:59.323",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/129049d4fe22c998ae9fd1ec479fbb4ed5338c15",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/19648135e904bce447d368ecb6136e5da809639c",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: adreno: fix deferencing ifpc_reglist when not declared\n\nOn plaforms with an a7xx GPU not supporting IFPC, the ifpc_reglist\nif still deferenced in a7xx_patch_pwrup_reglist() which causes\na kernel crash:\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000008\n...\npc : a6xx_hw_init+0x155c/0x1e4c [msm]\nlr : a6xx_hw_init+0x9a8/0x1e4c [msm]\n...\nCall trace:\n  a6xx_hw_init+0x155c/0x1e4c [msm] (P)\n  msm_gpu_hw_init+0x58/0x88 [msm]\n  adreno_load_gpu+0x94/0x1fc [msm]\n  msm_open+0xe4/0xf4 [msm]\n  drm_file_alloc+0x1a0/0x2e4 [drm]\n  drm_client_init+0x7c/0x104 [drm]\n  drm_fbdev_client_setup+0x94/0xcf0 [drm_client_lib]\n  drm_client_setup+0xb4/0xd8 [drm_client_lib]\n  msm_drm_kms_post_init+0x2c/0x3c [msm]\n  msm_drm_init+0x1a4/0x228 [msm]\n  msm_drm_bind+0x30/0x3c [msm]\n...\n\nCheck the validity of ifpc_reglist before deferencing the table\nto setup the register values.\n\nPatchwork: https://patchwork.freedesktop.org/patch/688944/"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/msm: adreno: corregir la desreferenciación de ifpc_reglist cuando no está declarada\n\nEn plataformas con una GPU a7xx que no soportan IFPC, la ifpc_reglist aún es desreferenciada en a7xx_patch_pwrup_reglist() lo que causa una caída del kernel:\nNo se puede manejar la desreferenciación de puntero NULL del kernel en la dirección virtual 0000000000000008\n...\npc : a6xx_hw_init+0x155c/0x1e4c [msm]\nlr : a6xx_hw_init+0x9a8/0x1e4c [msm]\n...\nTraza de llamada:\n  a6xx_hw_init+0x155c/0x1e4c [msm] (P)\n  msm_gpu_hw_init+0x58/0x88 [msm]\n  adreno_load_gpu+0x94/0x1fc [msm]\n  msm_open+0xe4/0xf4 [msm]\n  drm_file_alloc+0x1a0/0x2e4 [drm]\n  drm_client_init+0x7c/0x104 [drm]\n  drm_fbdev_client_setup+0x94/0xcf0 [drm_client_lib]\n  drm_client_setup+0xb4/0xd8 [drm_client_lib]\n  msm_drm_kms_post_init+0x2c/0x3c [msm]\n  msm_drm_init+0x1a4/0x228 [msm]\n  msm_drm_bind+0x30/0x3c [msm]\n...\n\nVerificar la validez de ifpc_reglist antes de desreferenciar la tabla para configurar los valores del registro.\n\nPatchwork: https://patchwork.freedesktop.org/patch/688944/"
    }
  ],
  "lastModified": "2026-06-17T10:03:40.177",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "A3586EB6-087D-41EA-AD79-2AA54D44AAA1",
              "versionEndExcluding": "6.18.3",
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            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.18:-:*:*:*:*:*:*",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}