{
   "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/msm/dpu: Add mutex lock in control vblank irq\n\nAdd a mutex lock to control vblank irq to synchronize vblank\nenable/disable operations happening from different threads to prevent\nrace conditions while registering/unregistering the vblank irq callback.\n\nv4: -Removed vblank_ctl_lock from dpu_encoder_virt, so it is only a\n    parameter of dpu_encoder_phys.\n    -Switch from atomic refcnt to a simple int counter as mutex has\n    now been added\nv3: Mistakenly did not change wording in last version. It is done now.\nv2: Slightly changed wording of commit message\n\nPatchwork: https://patchwork.freedesktop.org/patch/571854/"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c",
                  "drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h",
                  "drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c",
                  "drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "14f109bf74dd",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "45284ff733e4",
                     "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/msm/disp/dpu1/dpu_encoder.c",
                  "drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h",
                  "drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c",
                  "drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c"
               ],
               "versions": [
                  {
                     "version": "6.7.4",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/14f109bf74dd67e1d0469fed859c8e506b0df53f"
            },
            {
               "url": "https://git.kernel.org/stable/c/45284ff733e4caf6c118aae5131eb7e7cf3eea5a"
            }
         ],
         "title": "drm/msm/dpu: Add mutex lock in control vblank irq",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52586",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}