{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68234",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.376Z",
        "datePublished": "2026-08-10T12:00:59.074Z",
        "dateUpdated": "2026-08-19T16:32:06.457Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:32:06.457Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix bo->pin leaking in amdgpu_bo_create_reserved\n\namdgpu_bo_create_reserved() only allocates a new BO when\n*bo_ptr (struct amdgpu_bo **bo_ptr as input parameter) is\nNULL, it simply skips creation when *bo_ptr is non-NULL.\nBut it unconditionally reserves, pins, gart allocates\nand maps the BO afterwards.\n\nWhen the same non-NULL BO pointer is passed in again,\nfor example firmware buffers that live in adev and are\nre-loaded on every resume / cp_resume / start\nunder AMDGPU_FW_LOAD_DIRECT, amdgpu_bo_pin() just increases\npin_count unconditionally, however the matching teardown only unpins\nonce, so pin_count never drops to zero, so TTM is not able\nto move, swap or evict a BO, causing BO leaks.\n\nThis commit fixes this issue by only pinning the bo\nonce at creation, and repeated calls no longer\ntake additional pin references.\n\n(cherry picked from commit 3ddc0ae76202c447b6aec61e907b852bc94671cf)"
                }
            ],
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/amdgpu/amdgpu_object.c"
                    ],
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                            "status": "affected",
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53766e5adac75872e9d413cdbfd0e47ae40701f9",
                            "lessThan": "e06e0885725a16304b7723aeb478a78cca9dc96a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53766e5adac75872e9d413cdbfd0e47ae40701f9",
                            "lessThan": "51eeef1949c11d3dcb5f422a5d9b3f09ebe8a1bc",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "53766e5adac75872e9d413cdbfd0e47ae40701f9",
                            "lessThan": "ba7b6444097a73ccd3d3ac9e2be4ebb73d226460",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53766e5adac75872e9d413cdbfd0e47ae40701f9",
                            "lessThan": "9743f60013273987abf415dc47474683d22aaee9",
                            "status": "affected",
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                        {
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                            "lessThan": "a2f895f3c852063258d62e9f74b081de07ca95df",
                            "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/amd/amdgpu/amdgpu_object.c"
                    ],
                    "versions": [
                        {
                            "version": "4.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7aea619d9f186dcf0f1289879e9edb69d2b56639"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b572d0814c1366701ca704286589fab025802566"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e06e0885725a16304b7723aeb478a78cca9dc96a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/51eeef1949c11d3dcb5f422a5d9b3f09ebe8a1bc"
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                    "url": "https://git.kernel.org/stable/c/2f390b4c83011452753fd84972f657d2b00a952b"
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                    "url": "https://git.kernel.org/stable/c/ba7b6444097a73ccd3d3ac9e2be4ebb73d226460"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9743f60013273987abf415dc47474683d22aaee9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a2f895f3c852063258d62e9f74b081de07ca95df"
                }
            ],
            "title": "drm/amdgpu: fix bo->pin leaking in amdgpu_bo_create_reserved",
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}