drm/i915/gt: Fix timeline left held on VMA alloc error

{
  "id": "6d03244a26570dcc0ecf8f5fc56f67d2973c1cd46f1f751f59f805eca9c986ce",
  "url": "https://osv.dev/vulnerability/CVE-2025-38389",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/i915/gt: Fix timeline left held on VMA alloc error",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix timeline left held on VMA alloc error The following error has been reported sporadically by CI when a test unbinds the i915 driver on a ring submission platform: <4> [239.330153] ------------[ cut here ]------------ <4> [239.330166] i915 0000:00:02.0: [drm] drm_WARN_ON(dev_priv->mm.shrink_count) <4> [239.330196] WARNING: CPU: 1 PID: 18570 at drivers/gpu/drm/i915/i915_gem.c:1309 i915_gem_cleanup_early+0x13e/0x150 [i915] ... <4> [239.330640] RIP: 0010:i915_gem_cleanup_early+0x13e/0x150 [i915] ... <4> [239.330942] Call Trace: <4> [239.330944] <4> [239.330949] i915_driver_late_release+0x2b/0xa0 [i915] <4> [239.331202] i915_driver_release+0x86/0xa0 [i915] <4> [239.331482] devm_drm_dev_init_release+0x61/0x90 <4> [239.331494] devm_action_release+0x15/0x30 <4> [239.331504] release_nodes+0x3d/0x120 <4> [239.331517] devres_release_all+0x96/0xd0 <4> [239.331533] device_unbind_cleanup+0x12/0x80 <4> [239.331543] device_release_driver_internal+0x23a/0x280 <4> [239.331550] ? bus_find_device+0xa5/0xe0 <4> [239.331563] device_driver_detach+0x14/0x20 ... <4> [357.719679] ---[ end trace 0000000000000000 ]--- If the test also unloads the i915 module then that's followed with: <3> [357.787478] ============================================================================= <3> [357.788006] BUG i915_vma (Tainted: G U W N ): Objects remaining on __kmem_cache_shutdown() <3> [357.788031] --------------------------------",
    "evidence": "osv:CVE-2025-38389",
    "products": [
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    "severity": "unknown",
    "structured": {
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      "modified": "2026-10-28T02:30:39.329802119Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/40e09506aea1fde1f3e0e04eca531bbb23404baf",
        "https://git.kernel.org/stable/c/4c778c96e469fb719b11683e0a3be8ea68052fa2",
        "https://git.kernel.org/stable/c/5a7ae7bebdc4c2ecd48a2c061319956f65c09473",
        "https://git.kernel.org/stable/c/60b757730884e4a223152a68d9b5f625dac94119",
        "https://git.kernel.org/stable/c/a5aa7bc1fca78c7fa127d9e33aa94a0c9066c1d6",
        "https://git.kernel.org/stable/c/c542d62883f62ececafcb630a1c5010133826bea",
        "https://git.kernel.org/stable/c/e47d7d6edc40a6ace7cc04e5893759fee68569f5",
        "https://git.kernel.org/stable/c/f10af34261448610d4048ac6e6af87f80e3881a4",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38389.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38389",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
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        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 506448,
  "published_at": "2025-07-25T12:53:29.394+00:00"
}