{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47535",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-24T15:02:54.826Z",
        "datePublished": "2024-05-24T15:09:43.994Z",
        "dateUpdated": "2024-08-04T05:39:59.827Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:09:38.798Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a6xx: Allocate enough space for GMU registers\n\nIn commit 142639a52a01 (\"drm/msm/a6xx: fix crashstate capture for\nA650\") we changed a6xx_get_gmu_registers() to read 3 sets of\nregisters. Unfortunately, we didn't change the memory allocation for\nthe array. That leads to a KASAN warning (this was on the chromeos-5.4\nkernel, which has the problematic commit backported to it):\n\n  BUG: KASAN: slab-out-of-bounds in _a6xx_get_gmu_registers+0x144/0x430\n  Write of size 8 at addr ffffff80c89432b0 by task A618-worker/209\n  CPU: 5 PID: 209 Comm: A618-worker Tainted: G        W         5.4.156-lockdep #22\n  Hardware name: Google Lazor Limozeen without Touchscreen (rev5 - rev8) (DT)\n  Call trace:\n   dump_backtrace+0x0/0x248\n   show_stack+0x20/0x2c\n   dump_stack+0x128/0x1ec\n   print_address_description+0x88/0x4a0\n   __kasan_report+0xfc/0x120\n   kasan_report+0x10/0x18\n   __asan_report_store8_noabort+0x1c/0x24\n   _a6xx_get_gmu_registers+0x144/0x430\n   a6xx_gpu_state_get+0x330/0x25d4\n   msm_gpu_crashstate_capture+0xa0/0x84c\n   recover_worker+0x328/0x838\n   kthread_worker_fn+0x32c/0x574\n   kthread+0x2dc/0x39c\n   ret_from_fork+0x10/0x18\n\n  Allocated by task 209:\n   __kasan_kmalloc+0xfc/0x1c4\n   kasan_kmalloc+0xc/0x14\n   kmem_cache_alloc_trace+0x1f0/0x2a0\n   a6xx_gpu_state_get+0x164/0x25d4\n   msm_gpu_crashstate_capture+0xa0/0x84c\n   recover_worker+0x328/0x838\n   kthread_worker_fn+0x32c/0x574\n   kthread+0x2dc/0x39c\n   ret_from_fork+0x10/0x18"
                }
            ],
            "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/adreno/a6xx_gpu_state.c"
                    ],
                    "versions": [
                        {
                            "version": "142639a52a01",
                            "lessThan": "d646856a600e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "142639a52a01",
                            "lessThan": "83e54fcf0b14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "142639a52a01",
                            "lessThan": "b4d25abf9720",
                            "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/adreno/a6xx_gpu_state.c"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.84",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.7",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d646856a600e8635ba498f20b194219b158626e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/83e54fcf0b14ca2d869dd37abe1bb6542805f538"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b4d25abf9720b69a03465b09d0d62d1998ed6708"
                }
            ],
            "title": "drm/msm/a6xx: Allocate enough space for GMU registers",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-06-17T17:34:34.685290Z",
                                "id": "CVE-2021-47535",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-06-17T17:34:55.686Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:39:59.827Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/d646856a600e8635ba498f20b194219b158626e8",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/83e54fcf0b14ca2d869dd37abe1bb6542805f538",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/b4d25abf9720b69a03465b09d0d62d1998ed6708",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}