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CVE-2026-93058

Estado: RecibidaSin puntuar—

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

drm/msm: Only fini scheduler after successful init

msm_ringbuffer_new() destroys a partially initialized ring through msm_ringbuffer_destroy() when an allocation or scheduler setup step fails.

If drm_sched_init() fails before it finishes initializing the scheduler, the failure path still calls drm_sched_fini(). That teardown path assumes the scheduler work items, lists, and workqueue state were initialized.

Track successful scheduler initialization and call drm_sched_fini() only after drm_sched_init() returned 0.

This issue was found by a static analysis checker and confirmed by manual source review.

Leer descripción completaMostrar menos

Patchwork: https://patchwork.freedesktop.org/patch/738905/

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-93058",
  "cveTags": [],
  "metrics": {},
  "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": "1d8a5ca436ee4a28eec14cb813f790f7cdeeee19",
              "lessThan": "d43e1bbfd43458b9242806eec77ea3b032134baf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "1d8a5ca436ee4a28eec14cb813f790f7cdeeee19",
              "lessThan": "09b360eb6ce345996a30fad8c86e9df80f41cd7e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "1d8a5ca436ee4a28eec14cb813f790f7cdeeee19",
              "lessThan": "e2332abed2a4d3caa59052095dc16e4ce44791ea",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/msm/msm_ringbuffer.c",
            "drivers/gpu/drm/msm/msm_ringbuffer.h"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.15",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/msm/msm_ringbuffer.c",
            "drivers/gpu/drm/msm/msm_ringbuffer.h"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-17T17:17:59.430",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/09b360eb6ce345996a30fad8c86e9df80f41cd7e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d43e1bbfd43458b9242806eec77ea3b032134baf",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e2332abed2a4d3caa59052095dc16e4ce44791ea",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Only fini scheduler after successful init\n\nmsm_ringbuffer_new() destroys a partially initialized ring through\nmsm_ringbuffer_destroy() when an allocation or scheduler setup step\nfails.\n\nIf drm_sched_init() fails before it finishes initializing the scheduler,\nthe failure path still calls drm_sched_fini(). That teardown path assumes\nthe scheduler work items, lists, and workqueue state were initialized.\n\nTrack successful scheduler initialization and call drm_sched_fini() only\nafter drm_sched_init() returned 0.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review.\n\nPatchwork: https://patchwork.freedesktop.org/patch/738905/"
    }
  ],
  "lastModified": "2026-09-17T17:17:59.430",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}