{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46229",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.106Z",
        "datePublished": "2026-05-28T09:40:51.300Z",
        "dateUpdated": "2026-06-14T18:04:17.225Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T18:04:17.225Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Clear VRAM on allocation to prevent stale data exposure\n\nKFD VRAM allocations set AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE\nbut not AMDGPU_GEM_CREATE_VRAM_CLEARED, leaving freshly allocated\nVRAM with stale data from prior use observable by compute kernels.\n\nThe GEM ioctl path already sets VRAM_CLEARED for all userspace\nallocations via amdgpu_gem_create_ioctl() and\namdgpu_mode_dumb_create(). The KFD path was missing this flag,\nallowing stale page table remnants to leak into user buffers.\n\nThis causes crashes in RCCL P2P transport where non-zero data in\nptrExchange/head/tail fields corrupts the protocol handshake."
                }
            ],
            "affected": [
                {
                    "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_amdkfd_gpuvm.c"
                    ],
                    "versions": [
                        {
                            "version": "6856e4b65f64eeb3f17148f79b36c1d60c627529",
                            "lessThan": "1db431380879fd9d28b763a88a0c0431be5be8df",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6856e4b65f64eeb3f17148f79b36c1d60c627529",
                            "lessThan": "32b153658f017ad2f5bf8aab479e8d16ac95bc3a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6856e4b65f64eeb3f17148f79b36c1d60c627529",
                            "lessThan": "77d0b5d11387071770246fd0185a69fa28e8e109",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6856e4b65f64eeb3f17148f79b36c1d60c627529",
                            "lessThan": "047d44d8d29a6a1a5757256837aa9dd78e3cd0b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6856e4b65f64eeb3f17148f79b36c1d60c627529",
                            "lessThan": "ad52d61d82181dbdb7f05826de38352d5e550cc2",
                            "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_amdkfd_gpuvm.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.90",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.32",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.9",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "5.4",
                                    "versionEndExcluding": "6.6.140"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.12.90"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.18.32"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.0.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1db431380879fd9d28b763a88a0c0431be5be8df"
                },
                {
                    "url": "https://git.kernel.org/stable/c/32b153658f017ad2f5bf8aab479e8d16ac95bc3a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/77d0b5d11387071770246fd0185a69fa28e8e109"
                },
                {
                    "url": "https://git.kernel.org/stable/c/047d44d8d29a6a1a5757256837aa9dd78e3cd0b5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ad52d61d82181dbdb7f05826de38352d5e550cc2"
                }
            ],
            "title": "drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure",
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                "engine": "bippy-1.2.0"
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    }
}