{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-44993",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "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."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0ad5bc1ce463",
                                            "version_value": "d656b82c4b30"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.8",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.8",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.10.7",
                                                        "lessThanOrEqual": "6.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.11",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/d656b82c4b30cf12715e6cd129d3df808fde24a7",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d656b82c4b30cf12715e6cd129d3df808fde24a7"
            },
            {
                "url": "https://git.kernel.org/stable/c/497d370a644d95a9f04271aa92cb96d32e84c770",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/497d370a644d95a9f04271aa92cb96d32e84c770"
            }
        ]
    },
    "generator": {
        "engine": "bippy-c9c4e1df01b2"
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}