{
  "id": "CVE-2024-26833",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-04-17T10:15:09.560",
  "lastModified": "2024-04-17T12:48:07.510",
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix memory leak in dm_sw_fini()\n\nAfter destroying dmub_srv, the memory associated with it is\nnot freed, causing a memory leak:\n\nunreferenced object 0xffff896302b45800 (size 1024):\n  comm \"(udev-worker)\", pid 222, jiffies 4294894636\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 6265fd77):\n    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n    [<ffffffffc0ea4a94>] dm_dmub_sw_init+0xb4/0x450 [amdgpu]\n    [<ffffffffc0ea4e55>] dm_sw_init+0x15/0x2b0 [amdgpu]\n    [<ffffffffc0ba8557>] amdgpu_device_init+0x1417/0x24e0 [amdgpu]\n    [<ffffffffc0bab285>] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]\n    [<ffffffffc0ba09c7>] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]\n    [<ffffffff9968fd1e>] local_pci_probe+0x3e/0x90\n    [<ffffffff996918a3>] pci_device_probe+0xc3/0x230\n    [<ffffffff99805872>] really_probe+0xe2/0x480\n    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff99804822>] bus_add_driver+0x112/0x210\n    [<ffffffff99807245>] driver_register+0x55/0x100\n    [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n\nFix this by freeing dmub_srv after destroying it."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige la p\u00e9rdida de memoria en dm_sw_fini() Despu\u00e9s de destruir dmub_srv, la memoria asociada a \u00e9l no se libera, lo que provoca una p\u00e9rdida de memoria: objeto sin referencia 0xffff896302b45800 (tama\u00f1o 1024) : comm \"(udev-worker)\", pid 222, sjiffies 4294894636 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........... ..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc 6265fd77): [] kmalloc_trace+ 0x29d/0x340 [] dm_dmub_sw_init+0xb4/0x450 [amdgpu] [] dm_sw_init+0x15/0x2b0 [amdgpu] [] 1417/0x24e0 [amdgpu] [] amdgpu_driver_load_kms+0x15 /0x190 [amdgpu] [] amdgpu_pci_probe+0x187/0x4e0 [amdgpu] [] local_pci_probe+0x3e/0x90 [] pci_device_probe+0xc3/0x230 [ ] realmente_probe+0xe2/0x480 [&lt; ffffffff99805c98&gt;] __driver_probe_device+0x78/0x160 [] driver_probe_device+0x1f/0x90 [] __driver_attach+0xce/0x1c0 [] v+0x70/0xc0 [] bus_add_driver+0x112/0x210 [&lt; ffffffff99807245&gt;] driver_register+0x55/0x100 [] do_one_initcall+0x41/0x300 Solucione este problema liberando dmub_srv despu\u00e9s de destruirlo."
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}