{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80888",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.799Z",
        "datePublished": "2026-09-04T17:11:04.975Z",
        "dateUpdated": "2026-09-14T11:58:52.563Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-09-14T11:58:52.563Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: drop dma_buf reference on foreign-fd prime import\n\nttm_prime_fd_to_handle() returns -ENOSYS when the imported fd's\ndma_buf->ops do not match the ttm_object_device's ops, but does so\nwithout releasing the reference acquired by dma_buf_get().  Any\nunprivileged renderD client passing a non-vmwgfx prime fd through the\nDRM_VMW_GB_SURFACE_REF{,_EXT} path leaks one dma_buf reference per\ncall and indefinitely pins the foreign exporter's GEM resources.\n\nFunnel the error path through the existing dma_buf_put() so the\nreference is always dropped."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/vmwgfx/ttm_object.c"
                    ],
                    "versions": [
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "1715901e7052cf90fbf04c8303e563a47e021278",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "c4fd91ee7228f56fbb4cf528757dc17ffefeb0ee",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "619c3cfa88e09603a13d918f754808db2dda7057",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "c1c22fca0a0896a452a7cb92422d67babd65b4be",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "a1e972fa94c3a8069e022c67b9d97c7aa7b05293",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "a8434b145b1e467940334c58c00af241e9494c5f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "4df39eb99bb47d1f24d1952c23b21b10988356bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "65981f7681abdf92b25942222b629b9c512d0705",
                            "lessThan": "f739416dc555fa205a785e5135d73fa39b26f35d",
                            "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/vmwgfx/ttm_object.c"
                    ],
                    "versions": [
                        {
                            "version": "3.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.151",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.103",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "3.13",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.13",
                                    "versionEndExcluding": "5.15.221"
                                },
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                                    "versionStartIncluding": "3.13",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.13",
                                    "versionEndExcluding": "6.6.151"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.13",
                                    "versionEndExcluding": "6.12.103"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.13",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.13",
                                    "versionEndExcluding": "7.1.8"
                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.13",
                                    "versionEndExcluding": "7.2"
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1715901e7052cf90fbf04c8303e563a47e021278"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c4fd91ee7228f56fbb4cf528757dc17ffefeb0ee"
                },
                {
                    "url": "https://git.kernel.org/stable/c/619c3cfa88e09603a13d918f754808db2dda7057"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c1c22fca0a0896a452a7cb92422d67babd65b4be"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a1e972fa94c3a8069e022c67b9d97c7aa7b05293"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a8434b145b1e467940334c58c00af241e9494c5f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4df39eb99bb47d1f24d1952c23b21b10988356bf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f739416dc555fa205a785e5135d73fa39b26f35d"
                }
            ],
            "title": "drm/vmwgfx: drop dma_buf reference on foreign-fd prime import",
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    }
}