{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53352",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-16T16:08:59.567Z",
        "datePublished": "2025-09-17T14:56:42.698Z",
        "dateUpdated": "2026-05-11T19:43:17.266Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:43:17.266Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: check null pointer before accessing when swapping\n\nAdd a check to avoid null pointer dereference as below:\n\n[   90.002283] general protection fault, probably for non-canonical\naddress 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI\n[   90.002292] KASAN: null-ptr-deref in range\n[0x0000000000000000-0x0000000000000007]\n[   90.002346]  ? exc_general_protection+0x159/0x240\n[   90.002352]  ? asm_exc_general_protection+0x26/0x30\n[   90.002357]  ? ttm_bo_evict_swapout_allowable+0x322/0x5e0 [ttm]\n[   90.002365]  ? ttm_bo_evict_swapout_allowable+0x42e/0x5e0 [ttm]\n[   90.002373]  ttm_bo_swapout+0x134/0x7f0 [ttm]\n[   90.002383]  ? __pfx_ttm_bo_swapout+0x10/0x10 [ttm]\n[   90.002391]  ? lock_acquire+0x44d/0x4f0\n[   90.002398]  ? ttm_device_swapout+0xa5/0x260 [ttm]\n[   90.002412]  ? lock_acquired+0x355/0xa00\n[   90.002416]  ? do_raw_spin_trylock+0xb6/0x190\n[   90.002421]  ? __pfx_lock_acquired+0x10/0x10\n[   90.002426]  ? ttm_global_swapout+0x25/0x210 [ttm]\n[   90.002442]  ttm_device_swapout+0x198/0x260 [ttm]\n[   90.002456]  ? __pfx_ttm_device_swapout+0x10/0x10 [ttm]\n[   90.002472]  ttm_global_swapout+0x75/0x210 [ttm]\n[   90.002486]  ttm_tt_populate+0x187/0x3f0 [ttm]\n[   90.002501]  ttm_bo_handle_move_mem+0x437/0x590 [ttm]\n[   90.002517]  ttm_bo_validate+0x275/0x430 [ttm]\n[   90.002530]  ? __pfx_ttm_bo_validate+0x10/0x10 [ttm]\n[   90.002544]  ? kasan_save_stack+0x33/0x60\n[   90.002550]  ? kasan_set_track+0x25/0x30\n[   90.002554]  ? __kasan_kmalloc+0x8f/0xa0\n[   90.002558]  ? amdgpu_gtt_mgr_new+0x81/0x420 [amdgpu]\n[   90.003023]  ? ttm_resource_alloc+0xf6/0x220 [ttm]\n[   90.003038]  amdgpu_bo_pin_restricted+0x2dd/0x8b0 [amdgpu]\n[   90.003210]  ? __x64_sys_ioctl+0x131/0x1a0\n[   90.003210]  ? do_syscall_64+0x60/0x90"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/ttm/ttm_bo.c"
                    ],
                    "versions": [
                        {
                            "version": "8996b13051f0c211aaaf243dfd270003f1b67431",
                            "lessThan": "d39971d902d067b4dc366981b75b17c8c57ed5d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da60170558b956c1b45dee1c4423da2425037426",
                            "lessThan": "8089eb93d6787dbf348863e935698b4610d90321",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "17e188e0feb008bab5f4b083083dff7cdc633ca1",
                            "lessThan": "1fdd16d89c01336d9a942b5f03673c17d401da87",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c24d051e6b48015e32f1361cdf67e1784dd14a9f",
                            "lessThan": "49b3b979e79faef129605018ad82aa0f2258f2f7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a2848d08742c8e8494675892c02c0d22acbe3cf8",
                            "lessThan": "2dedcf414bb01b8d966eb445db1d181d92304fb2",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/ttm/ttm_bo.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15.124",
                            "lessThan": "5.15.126",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.43",
                            "lessThan": "6.1.45",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.8",
                            "lessThan": "6.4.10",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.124",
                                    "versionEndExcluding": "5.15.126"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.43",
                                    "versionEndExcluding": "6.1.45"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4.8",
                                    "versionEndExcluding": "6.4.10"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d39971d902d067b4dc366981b75b17c8c57ed5d1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8089eb93d6787dbf348863e935698b4610d90321"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1fdd16d89c01336d9a942b5f03673c17d401da87"
                },
                {
                    "url": "https://git.kernel.org/stable/c/49b3b979e79faef129605018ad82aa0f2258f2f7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2dedcf414bb01b8d966eb445db1d181d92304fb2"
                }
            ],
            "title": "drm/ttm: check null pointer before accessing when swapping",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2023-53352",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-01-14T18:41:46.702479Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-476",
                                "description": "CWE-476 NULL Pointer Dereference"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-14T18:43:03.742Z"
                }
            }
        ]
    }
}