cve-2024-26833
Vulnerability from cvelistv5
Published
2024-04-17 10:10
Modified
2024-11-05 09:16
Severity ?
Summary
drm/amd/display: Fix memory leak in dm_sw_fini()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3
Impacted products
Vendor Product Version
Linux Linux Version: 5.6
Show details on NVD website

To clipboard 

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          "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    [\u003cffffffff993495ed\u003e] kmalloc_trace+0x29d/0x340\n    [\u003cffffffffc0ea4a94\u003e] dm_dmub_sw_init+0xb4/0x450 [amdgpu]\n    [\u003cffffffffc0ea4e55\u003e] dm_sw_init+0x15/0x2b0 [amdgpu]\n    [\u003cffffffffc0ba8557\u003e] amdgpu_device_init+0x1417/0x24e0 [amdgpu]\n    [\u003cffffffffc0bab285\u003e] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]\n    [\u003cffffffffc0ba09c7\u003e] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]\n    [\u003cffffffff9968fd1e\u003e] local_pci_probe+0x3e/0x90\n    [\u003cffffffff996918a3\u003e] pci_device_probe+0xc3/0x230\n    [\u003cffffffff99805872\u003e] really_probe+0xe2/0x480\n    [\u003cffffffff99805c98\u003e] __driver_probe_device+0x78/0x160\n    [\u003cffffffff99805daf\u003e] driver_probe_device+0x1f/0x90\n    [\u003cffffffff9980601e\u003e] __driver_attach+0xce/0x1c0\n    [\u003cffffffff99803170\u003e] bus_for_each_dev+0x70/0xc0\n    [\u003cffffffff99804822\u003e] bus_add_driver+0x112/0x210\n    [\u003cffffffff99807245\u003e] driver_register+0x55/0x100\n    [\u003cffffffff990012d1\u003e] do_one_initcall+0x41/0x300\n\nFix this by freeing dmub_srv after destroying it."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26833",
    "datePublished": "2024-04-17T10:10:01.654Z",
    "dateReserved": "2024-02-19T14:20:24.181Z",
    "dateUpdated": "2024-11-05T09:16:37.261Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26833\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T10:15:09.560\",\"lastModified\":\"2024-11-05T10:15:53.520\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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    [\u003cffffffff993495ed\u003e] kmalloc_trace+0x29d/0x340\\n    [\u003cffffffffc0ea4a94\u003e] dm_dmub_sw_init+0xb4/0x450 [amdgpu]\\n    [\u003cffffffffc0ea4e55\u003e] dm_sw_init+0x15/0x2b0 [amdgpu]\\n    [\u003cffffffffc0ba8557\u003e] amdgpu_device_init+0x1417/0x24e0 [amdgpu]\\n    [\u003cffffffffc0bab285\u003e] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]\\n    [\u003cffffffffc0ba09c7\u003e] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]\\n    [\u003cffffffff9968fd1e\u003e] local_pci_probe+0x3e/0x90\\n    [\u003cffffffff996918a3\u003e] pci_device_probe+0xc3/0x230\\n    [\u003cffffffff99805872\u003e] really_probe+0xe2/0x480\\n    [\u003cffffffff99805c98\u003e] __driver_probe_device+0x78/0x160\\n    [\u003cffffffff99805daf\u003e] driver_probe_device+0x1f/0x90\\n    [\u003cffffffff9980601e\u003e] __driver_attach+0xce/0x1c0\\n    [\u003cffffffff99803170\u003e] bus_for_each_dev+0x70/0xc0\\n    [\u003cffffffff99804822\u003e] bus_add_driver+0x112/0x210\\n    [\u003cffffffff99807245\u003e] driver_register+0x55/0x100\\n    [\u003cffffffff990012d1\u003e] 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 [\u0026lt; ffffffff99805c98\u0026gt;] __driver_probe_device+0x78/0x160 [] driver_probe_device+0x1f/0x90 [] __driver_attach+0xce/0x1c0 [] v+0x70/0xc0 [] bus_add_driver+0x112/0x210 [\u0026lt; ffffffff99807245\u0026gt;] 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\"}]}}"
  }
}


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