drm/amd/display: fix a memleak issue when driver is removed

{
  "id": "63f848de44645ecce80101accf4b7a0476dcad79fd1595f36adb0993a49b7a58",
  "url": "https://osv.dev/vulnerability/CVE-2024-56542",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amd/display: fix a memleak issue when driver is removed",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix a memleak issue when driver is removed Running \"modprobe amdgpu\" the second time (followed by a modprobe -r amdgpu) causes a call trace like: [ 845.212163] Memory manager not clean during takedown. [ 845.212170] WARNING: CPU: 4 PID: 2481 at drivers/gpu/drm/drm_mm.c:999 drm_mm_takedown+0x2b/0x40 [ 845.212177] Modules linked in: amdgpu(OE-) amddrm_ttm_helper(OE) amddrm_buddy(OE) amdxcp(OE) amd_sched(OE) drm_exec drm_suballoc_helper drm_display_helper i2c_algo_bit amdttm(OE) amdkcl(OE) cec rc_core sunrpc qrtr intel_rapl_msr intel_rapl_common snd_hda_codec_hdmi edac_mce_amd snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio snd_hda_codec snd_usbmidi_lib kvm_amd snd_hda_core snd_ump mc snd_hwdep kvm snd_pcm snd_seq_midi snd_seq_midi_event irqbypass crct10dif_pclmul snd_rawmidi polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 snd_seq aesni_intel crypto_simd snd_seq_device cryptd snd_timer mfd_aaeon asus_nb_wmi eeepc_wmi joydev asus_wmi snd ledtrig_audio sparse_keymap ccp wmi_bmof input_leds k10temp i2c_piix4 platform_profile rapl soundcore gpio_amdpt mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid ahci xhci_pci igc crc32_pclmul libahci xhci_pci_renesas video [ 845.212284] wmi [last unloaded: amddrm_ttm_helper(OE)] [ 845.212290] CPU: 4 PI",
    "evidence": "osv:CVE-2024-56542",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.11.11",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-56542",
      "aliases": [
        "CVE-2024-56542"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "43ebd0faec24652cb529ceefd594c61897059f90"
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                {
                  "fixed": "e51cbe40b77a32e8698ad8b9582e5b4fce6da364"
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6.11.2"
                },
                {
                  "fixed": "6.11.11"
                }
              ]
            }
          ],
          "versions": [
            "v6.11.10",
            "v6.11.9",
            "v6.11.8",
            "v6.11.7",
            "v6.11.6",
            "v6.11.5",
            "v6.11.4",
            "v6.11.3",
            "v6.11.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56542.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6.11.11"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.12.0"
                },
                {
                  "fixed": "6.12.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56542.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.358764756Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/5860c637513036a6ffc130950ea98676b591b47c",
        "https://git.kernel.org/stable/c/d4f36e5fd800de7db74c1c4e62baf24a091a5ff6",
        "https://git.kernel.org/stable/c/e51cbe40b77a32e8698ad8b9582e5b4fce6da364",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56542.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-56542",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56542.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-56542",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 501212,
  "published_at": "2024-12-27T14:11:24.149+00:00"
}