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CVE-2025-68802 drm/xe: Limit num_syncs to prevent oversized allocations

🗓️ 13 Jan 2026 15:29:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Limit DRM XE exec syncs to 1024 to prevent oversized kernel allocations (CVE-2025-68802).

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/xe/xe_exec.c",
      "drivers/gpu/drm/xe/xe_vm.c",
      "include/uapi/drm/xe_drm.h"
    ],
    "versions": [
      {
        "version": "dd08ebf6c3525a7ea2186e636df064ea47281987",
        "lessThan": "e281d1fd6903a081ef023c341145ae92258e38d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd08ebf6c3525a7ea2186e636df064ea47281987",
        "lessThan": "1d200017f55f829b9e376093bd31dfbec92081de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd08ebf6c3525a7ea2186e636df064ea47281987",
        "lessThan": "8e461304009135270e9ccf2d7e2dfe29daec9b60",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/xe/xe_exec.c",
      "drivers/gpu/drm/xe/xe_vm.c",
      "include/uapi/drm/xe_drm.h"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.64",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.3",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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