cve/published/2024/CVE-2024-44993.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
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         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Fix out-of-bounds read in `v3d_csd_job_run()`\n\nWhen enabling UBSAN on Raspberry Pi 5, we get the following warning:\n\n[  387.894977] UBSAN: array-index-out-of-bounds in drivers/gpu/drm/v3d/v3d_sched.c:320:3\n[  387.903868] index 7 is out of range for type '__u32 [7]'\n[  387.909692] CPU: 0 PID: 1207 Comm: kworker/u16:2 Tainted: G        WC         6.10.3-v8-16k-numa #151\n[  387.919166] Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)\n[  387.925961] Workqueue: v3d_csd drm_sched_run_job_work [gpu_sched]\n[  387.932525] Call trace:\n[  387.935296]  dump_backtrace+0x170/0x1b8\n[  387.939403]  show_stack+0x20/0x38\n[  387.942907]  dump_stack_lvl+0x90/0xd0\n[  387.946785]  dump_stack+0x18/0x28\n[  387.950301]  __ubsan_handle_out_of_bounds+0x98/0xd0\n[  387.955383]  v3d_csd_job_run+0x3a8/0x438 [v3d]\n[  387.960707]  drm_sched_run_job_work+0x520/0x6d0 [gpu_sched]\n[  387.966862]  process_one_work+0x62c/0xb48\n[  387.971296]  worker_thread+0x468/0x5b0\n[  387.975317]  kthread+0x1c4/0x1e0\n[  387.978818]  ret_from_fork+0x10/0x20\n[  387.983014] ---[ end trace ]---\n\nThis happens because the UAPI provides only seven configuration\nregisters and we are reading the eighth position of this u32 array.\n\nTherefore, fix the out-of-bounds read in `v3d_csd_job_run()` by\naccessing only seven positions on the '__u32 [7]' array. The eighth\nregister exists indeed on V3D 7.1, but it isn't currently used. That\nbeing so, let's guarantee that it remains unused and add a note that it\ncould be set in a future patch."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/gpu/drm/v3d/v3d_sched.c"
               ],
               "versions": [
                  {
                     "version": "0ad5bc1ce4634ce9b5eaf017b01399ec5e49a03d",
                     "lessThan": "d656b82c4b30cf12715e6cd129d3df808fde24a7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0ad5bc1ce4634ce9b5eaf017b01399ec5e49a03d",
                     "lessThan": "497d370a644d95a9f04271aa92cb96d32e84c770",
                     "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/v3d/v3d_sched.c"
               ],
               "versions": [
                  {
                     "version": "6.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.8",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.10.7",
                     "lessThanOrEqual": "6.10.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.11",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.8",
                           "versionEndExcluding": "6.10.7"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.8",
                           "versionEndExcluding": "6.11"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d656b82c4b30cf12715e6cd129d3df808fde24a7"
            },
            {
               "url": "https://git.kernel.org/stable/c/497d370a644d95a9f04271aa92cb96d32e84c770"
            }
         ],
         "title": "drm/v3d: Fix out-of-bounds read in `v3d_csd_job_run()`",
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-44993",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
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