CVE-2025-68189 (GCVE-0-2025-68189)

Vulnerability from cvelistv5 – Published: 2025-12-16 13:43 – Updated: 2025-12-16 13:43
VLAI?
Title
drm/msm: Fix GEM free for imported dma-bufs
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix GEM free for imported dma-bufs Imported dma-bufs also have obj->resv != &obj->_resv. So we should check both this condition in addition to flags for handling the _NO_SHARE case. Fixes this splat that was reported with IRIS video playback: ------------[ cut here ]------------ WARNING: CPU: 3 PID: 2040 at drivers/gpu/drm/msm/msm_gem.c:1127 msm_gem_free_object+0x1f8/0x264 [msm] CPU: 3 UID: 1000 PID: 2040 Comm: .gnome-shell-wr Not tainted 6.17.0-rc7 #1 PREEMPT pstate: 81400005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : msm_gem_free_object+0x1f8/0x264 [msm] lr : msm_gem_free_object+0x138/0x264 [msm] sp : ffff800092a1bb30 x29: ffff800092a1bb80 x28: ffff800092a1bce8 x27: ffffbc702dbdbe08 x26: 0000000000000008 x25: 0000000000000009 x24: 00000000000000a6 x23: ffff00083c72f850 x22: ffff00083c72f868 x21: ffff00087e69f200 x20: ffff00087e69f330 x19: ffff00084d157ae0 x18: 0000000000000000 x17: 0000000000000000 x16: ffffbc704bd46b80 x15: 0000ffffd0959540 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: ffffbc702e6cdb48 x10: 0000000000000000 x9 : 000000000000003f x8 : ffff800092a1ba90 x7 : 0000000000000000 x6 : 0000000000000020 x5 : ffffbc704bd46c40 x4 : fffffdffe102cf60 x3 : 0000000000400032 x2 : 0000000000020000 x1 : ffff00087e6978e8 x0 : ffff00087e6977e8 Call trace: msm_gem_free_object+0x1f8/0x264 [msm] (P) drm_gem_object_free+0x1c/0x30 [drm] drm_gem_object_handle_put_unlocked+0x138/0x150 [drm] drm_gem_object_release_handle+0x5c/0xcc [drm] drm_gem_handle_delete+0x68/0xbc [drm] drm_gem_close_ioctl+0x34/0x40 [drm] drm_ioctl_kernel+0xc0/0x130 [drm] drm_ioctl+0x360/0x4e0 [drm] __arm64_sys_ioctl+0xac/0x104 invoke_syscall+0x48/0x104 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x34/0xec el0t_64_sync_handler+0xa0/0xe4 el0t_64_sync+0x198/0x19c ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ Patchwork: https://patchwork.freedesktop.org/patch/676273/
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: de651b6e040ba419418a37401e45d24f133e8a59 , < 9674c4cb2fe62727a2e4d3f66065ab949dfa61be (git)
Affected: de651b6e040ba419418a37401e45d24f133e8a59 , < c34e08ba6c0037a72a7433741225b020c989e4ae (git)
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    Linux Linux Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 6.17.8 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/msm/msm_gem.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9674c4cb2fe62727a2e4d3f66065ab949dfa61be",
              "status": "affected",
              "version": "de651b6e040ba419418a37401e45d24f133e8a59",
              "versionType": "git"
            },
            {
              "lessThan": "c34e08ba6c0037a72a7433741225b020c989e4ae",
              "status": "affected",
              "version": "de651b6e040ba419418a37401e45d24f133e8a59",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/msm/msm_gem.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.8",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Fix GEM free for imported dma-bufs\n\nImported dma-bufs also have obj-\u003eresv != \u0026obj-\u003e_resv.  So we should\ncheck both this condition in addition to flags for handling the\n_NO_SHARE case.\n\nFixes this splat that was reported with IRIS video playback:\n\n    ------------[ cut here ]------------\n    WARNING: CPU: 3 PID: 2040 at drivers/gpu/drm/msm/msm_gem.c:1127 msm_gem_free_object+0x1f8/0x264 [msm]\n    CPU: 3 UID: 1000 PID: 2040 Comm: .gnome-shell-wr Not tainted 6.17.0-rc7 #1 PREEMPT\n    pstate: 81400005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n    pc : msm_gem_free_object+0x1f8/0x264 [msm]\n    lr : msm_gem_free_object+0x138/0x264 [msm]\n    sp : ffff800092a1bb30\n    x29: ffff800092a1bb80 x28: ffff800092a1bce8 x27: ffffbc702dbdbe08\n    x26: 0000000000000008 x25: 0000000000000009 x24: 00000000000000a6\n    x23: ffff00083c72f850 x22: ffff00083c72f868 x21: ffff00087e69f200\n    x20: ffff00087e69f330 x19: ffff00084d157ae0 x18: 0000000000000000\n    x17: 0000000000000000 x16: ffffbc704bd46b80 x15: 0000ffffd0959540\n    x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\n    x11: ffffbc702e6cdb48 x10: 0000000000000000 x9 : 000000000000003f\n    x8 : ffff800092a1ba90 x7 : 0000000000000000 x6 : 0000000000000020\n    x5 : ffffbc704bd46c40 x4 : fffffdffe102cf60 x3 : 0000000000400032\n    x2 : 0000000000020000 x1 : ffff00087e6978e8 x0 : ffff00087e6977e8\n    Call trace:\n     msm_gem_free_object+0x1f8/0x264 [msm] (P)\n     drm_gem_object_free+0x1c/0x30 [drm]\n     drm_gem_object_handle_put_unlocked+0x138/0x150 [drm]\n     drm_gem_object_release_handle+0x5c/0xcc [drm]\n     drm_gem_handle_delete+0x68/0xbc [drm]\n     drm_gem_close_ioctl+0x34/0x40 [drm]\n     drm_ioctl_kernel+0xc0/0x130 [drm]\n     drm_ioctl+0x360/0x4e0 [drm]\n     __arm64_sys_ioctl+0xac/0x104\n     invoke_syscall+0x48/0x104\n     el0_svc_common.constprop.0+0x40/0xe0\n     do_el0_svc+0x1c/0x28\n     el0_svc+0x34/0xec\n     el0t_64_sync_handler+0xa0/0xe4\n     el0t_64_sync+0x198/0x19c\n    ---[ end trace 0000000000000000 ]---\n    ------------[ cut here ]------------\n\nPatchwork: https://patchwork.freedesktop.org/patch/676273/"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T13:43:11.507Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9674c4cb2fe62727a2e4d3f66065ab949dfa61be"
        },
        {
          "url": "https://git.kernel.org/stable/c/c34e08ba6c0037a72a7433741225b020c989e4ae"
        }
      ],
      "title": "drm/msm: Fix GEM free for imported dma-bufs",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68189",
    "datePublished": "2025-12-16T13:43:11.507Z",
    "dateReserved": "2025-12-16T13:41:40.253Z",
    "dateUpdated": "2025-12-16T13:43:11.507Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-68189\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-16T14:15:51.567\",\"lastModified\":\"2025-12-18T15:08:25.907\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/msm: Fix GEM free for imported dma-bufs\\n\\nImported dma-bufs also have obj-\u003eresv != \u0026obj-\u003e_resv.  So we should\\ncheck both this condition in addition to flags for handling the\\n_NO_SHARE case.\\n\\nFixes this splat that was reported with IRIS video playback:\\n\\n    ------------[ cut here ]------------\\n    WARNING: CPU: 3 PID: 2040 at drivers/gpu/drm/msm/msm_gem.c:1127 msm_gem_free_object+0x1f8/0x264 [msm]\\n    CPU: 3 UID: 1000 PID: 2040 Comm: .gnome-shell-wr Not tainted 6.17.0-rc7 #1 PREEMPT\\n    pstate: 81400005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\\n    pc : msm_gem_free_object+0x1f8/0x264 [msm]\\n    lr : msm_gem_free_object+0x138/0x264 [msm]\\n    sp : ffff800092a1bb30\\n    x29: ffff800092a1bb80 x28: ffff800092a1bce8 x27: ffffbc702dbdbe08\\n    x26: 0000000000000008 x25: 0000000000000009 x24: 00000000000000a6\\n    x23: ffff00083c72f850 x22: ffff00083c72f868 x21: ffff00087e69f200\\n    x20: ffff00087e69f330 x19: ffff00084d157ae0 x18: 0000000000000000\\n    x17: 0000000000000000 x16: ffffbc704bd46b80 x15: 0000ffffd0959540\\n    x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\\n    x11: ffffbc702e6cdb48 x10: 0000000000000000 x9 : 000000000000003f\\n    x8 : ffff800092a1ba90 x7 : 0000000000000000 x6 : 0000000000000020\\n    x5 : ffffbc704bd46c40 x4 : fffffdffe102cf60 x3 : 0000000000400032\\n    x2 : 0000000000020000 x1 : ffff00087e6978e8 x0 : ffff00087e6977e8\\n    Call trace:\\n     msm_gem_free_object+0x1f8/0x264 [msm] (P)\\n     drm_gem_object_free+0x1c/0x30 [drm]\\n     drm_gem_object_handle_put_unlocked+0x138/0x150 [drm]\\n     drm_gem_object_release_handle+0x5c/0xcc [drm]\\n     drm_gem_handle_delete+0x68/0xbc [drm]\\n     drm_gem_close_ioctl+0x34/0x40 [drm]\\n     drm_ioctl_kernel+0xc0/0x130 [drm]\\n     drm_ioctl+0x360/0x4e0 [drm]\\n     __arm64_sys_ioctl+0xac/0x104\\n     invoke_syscall+0x48/0x104\\n     el0_svc_common.constprop.0+0x40/0xe0\\n     do_el0_svc+0x1c/0x28\\n     el0_svc+0x34/0xec\\n     el0t_64_sync_handler+0xa0/0xe4\\n     el0t_64_sync+0x198/0x19c\\n    ---[ end trace 0000000000000000 ]---\\n    ------------[ cut here ]------------\\n\\nPatchwork: https://patchwork.freedesktop.org/patch/676273/\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/9674c4cb2fe62727a2e4d3f66065ab949dfa61be\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c34e08ba6c0037a72a7433741225b020c989e4ae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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