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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-68382",
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/guc: Hold device ref until queue teardown completes\n\nGuC exec queue destruction can run asynchronously. If the final device\nput happens from a destroy worker, drmm cleanup can end up draining\nthe same workqueue and deadlock.\n\nHold a drm_device reference for the queue lifetime and drop it after\nqueue teardown completes. This keeps drmm cleanup from running while\nasync destroy work is still pending.\n\nMove GuC destroy work to a module-lifetime Xe workqueue and flush it\non PCI remove so hot-unbind/rebind still waits for pending destroy work.\n\nWith queue-held device refs, guc_submit_sw_fini() cannot run with live\nGuC IDs. Replace the fini wait with an assertion and remove the unused\nfini_wq.\n\nv2:\n  - Rebase\n\nv3:\n  - Switch to queue-lifetime drm_dev_get()/drm_dev_put() model. (Matt)\n  - Queue async teardown on system_dfl_wq instead of xe->destroy_wq. (Matt)\n  - Drop separate deferred drm_dev_put worker.\n  - Remove stale drain_workqueue(xe->destroy_wq) from guc_submit_sw_fini().\n\nv4:\n  - Replace the guc_submit_sw_fini() wait with an assertion and remove\n    the now-unused fini_wq. (sashiko)\n\nv5:\n  - Move destroy work to a module-lifetime Xe workqueue instead of\n    system_dfl_wq. (Matt)\n  - Flush the module-lifetime destroy workqueue during PCI remove to\n    preserve the old device-remove wait semantics.\n\nv6:\n  - Keep SVM pagemap destroy work on the per-device destroy_wq to avoid\n    letting it outlive the xe_device/drm_device. (Sashiko)\n  - Use WQ_MEM_RECLAIM for xe->destroy_wq because SVM pagemap destroy work\n    can be queued from the reclaim path.\n\nv7:\n  - Drop the per-device xe->destroy_wq and use the module-level destroy WQ\n    for SVM pagemap destroy as well. (Matt)\n  - Rename xe_exec_queue_destroy_wq_*() helpers to xe_destroy_wq_*()\n    helpers because the WQ is no longer exec-queue specific. (Matt)\n\nv8:\n  - Rebase.\n\nv9:\n  - Keep SVM pagemap destroy work on the per-device WQ_MEM_RECLAIM\n    destroy_wq because it can be queued from reclaim and embeds\n    the dev_pagemap used by devres teardown. (Sashiko)\n  - Keep the module-level destroy WQ GuC-only and drop WQ_MEM_RECLAIM\n    from it.\n  - Update the module-WQ kdoc to document the GuC/SVM split.\n\nv10:\n  - Keep xe->destroy_wq per-cpu while adding WQ_MEM_RECLAIM to fix the\n    workqueue allocation warning.\n\nv11:\n  - Drop the SVM pagemap destroy comment as it was revision-specific.\n    (Thomas)\n\nv12:\n  - Rebase.\n\n(cherry picked from commit da1124abac689cc2b1d8995e5f0a816f8a122edb)",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
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          "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-68382"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/03d6f83979b0d75a0b0893dfe1735ec93facf515",
          "url": "https://git.kernel.org/stable/c/03d6f83979b0d75a0b0893dfe1735ec93facf515"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/9b7e60184f4b22e893d4ae95234d5f26261a430c",
          "url": "https://git.kernel.org/stable/c/9b7e60184f4b22e893d4ae95234d5f26261a430c"
        }
      ],
      "release_date": "2026-08-10T13:20:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        },
        {
          "category": "impact",
          "date": "2026-08-22T12:54:56.712807Z",
          "details": "This kernel is not affected by CVE-2026-68382. The use-after-free is around GuC submission queue destruction in the Intel Xe DRM driver (drivers/gpu/drm/xe/), a driver that first appeared upstream in v6.8; this kernel does not contain the xe driver. Because the vulnerable driver was never introduced, no fix is required.",
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}