{
  "cveId": "CVE-2021-47535",
  "url": "https://patchblox.com/security/cve/CVE-2021-47535",
  "summary": "CVE-2021-47535 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47535, released May 24, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  drm/msm/a6xx: Allocate enough space for GMU regi...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  drm/msm/a6xx: Allocate enough space for GMU registers  In commit 142639a52a01 (\u0022drm/msm/a6xx: fix crashstate capture for A650\u0022) we changed a6xx_get_gmu_registers() to read 3 sets of registers. Unfortunately, we didn\u0027t change the memory allocation for the array. That leads to a KASAN warning (this was on the chromeos-5.4 kernel, which has the problematic commit backported to it):    BUG: KASAN: slab-out-of-bounds in _a6xx_get_gmu_registers\u002B0x144/0x430   Write of size 8 at addr ffffff80c89432b0 by task A618-worker/209   CPU: 5 PID: 209 Comm: A618-worker Tainted: G        W         5.4.156-lockdep #22   Hardware name: Google Lazor Limozeen without Touchscreen (rev5 - rev8) (DT)   Call trace:    dump_backtrace\u002B0x0/0x248    show_stack\u002B0x20/0x2c    dump_stack\u002B0x128/0x1ec    print_address_description\u002B0x88/0x4a0    __kasan_report\u002B0xfc/0x120    kasan_report\u002B0x10/0x18    __asan_report_store8_noabort\u002B0x1c/0x24    _a6xx_get_gmu_registers\u002B0x144/0x430    a6xx_gpu_state_get\u002B0x330/0x25d4    msm_gpu_crashstate_capture\u002B0xa0/0x84c    recover_worker\u002B0x328/0x838    kthread_worker_fn\u002B0x32c/0x574    kthread\u002B0x2dc/0x39c    ret_from_fork\u002B0x10/0x18    Allocated by task 209:    __kasan_kmalloc\u002B0xfc/0x1c4    kasan_kmalloc\u002B0xc/0x14    kmem_cache_alloc_trace\u002B0x1f0/0x2a0    a6xx_gpu_state_get\u002B0x164/0x25d4    msm_gpu_crashstate_capture\u002B0xa0/0x84c    recover_worker\u002B0x328/0x838    kthread_worker_fn\u002B0x32c/0x574    kthread\u002B0x2dc/0x39c    ret_from_fork\u002B0x10/0x18",
  "published": "2024-05-24T15:15:17Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00236,
  "epssPercentile": 0.14652,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47535",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47535",
      "released": "2024-05-24T15:15:17Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47535",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47535",
      "released": "2024-05-24T15:15:17Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47535",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47535",
      "released": "2024-05-24T15:15:17Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}