{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Fix stale file descriptors on failed usercopy\n\nA failing usercopy of the fence_rep object will lead to a stale entry in\nthe file descriptor table as put_unused_fd() won't release it. This\nenables userland to refer to a dangling 'file' object through that still\nvalid file descriptor, leading to all kinds of use-after-free\nexploitation scenarios.\n\nFix this by deferring the call to fd_install() until after the usercopy\nhas succeeded."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/gpu/drm/vmwgfx/vmwgfx_drv.h",
                  "drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c",
                  "drivers/gpu/drm/vmwgfx/vmwgfx_fence.c",
                  "drivers/gpu/drm/vmwgfx/vmwgfx_kms.c"
               ],
               "versions": [
                  {
                     "version": "c906965dee22",
                     "lessThan": "e8d092a62449",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c906965dee22",
                     "lessThan": "0008a0c78fc3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c906965dee22",
                     "lessThan": "84b1259fe36a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c906965dee22",
                     "lessThan": "ae2b20f27732",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c906965dee22",
                     "lessThan": "6066977961fc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c906965dee22",
                     "lessThan": "1d833b27fb70",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c906965dee22",
                     "lessThan": "a0f90c881570",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/gpu/drm/vmwgfx/vmwgfx_drv.h",
                  "drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c",
                  "drivers/gpu/drm/vmwgfx/vmwgfx_fence.c",
                  "drivers/gpu/drm/vmwgfx/vmwgfx_kms.c"
               ],
               "versions": [
                  {
                     "version": "4.14",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.14",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.264",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.227",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.175",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.95",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.18",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16.4",
                     "lessThanOrEqual": "5.16.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.17",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/e8d092a62449dcfc73517ca43963d2b8f44d0516"
            },
            {
               "url": "https://git.kernel.org/stable/c/0008a0c78fc33a84e2212a7c04e6b21a36ca6f4d"
            },
            {
               "url": "https://git.kernel.org/stable/c/84b1259fe36ae0915f3d6ddcea6377779de48b82"
            },
            {
               "url": "https://git.kernel.org/stable/c/ae2b20f27732fe92055d9e7b350abc5cdf3e2414"
            },
            {
               "url": "https://git.kernel.org/stable/c/6066977961fc6f437bc064f628cf9b0e4571c56c"
            },
            {
               "url": "https://git.kernel.org/stable/c/1d833b27fb708d6fdf5de9f6b3a8be4bd4321565"
            },
            {
               "url": "https://git.kernel.org/stable/c/a0f90c8815706981c483a652a6aefca51a5e191c"
            }
         ],
         "title": "drm/vmwgfx: Fix stale file descriptors on failed usercopy",
         "x_generator": {
            "engine": "bippy-7d53e8ef8be4"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48771",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}