{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23213",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.986Z",
        "datePublished": "2026-02-18T14:21:50.637Z",
        "dateUpdated": "2026-10-21T12:38:58.284Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:38:58.284Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: Disable MMIO access during SMU Mode 1 reset\n\nDuring Mode 1 reset, the ASIC undergoes a reset cycle and becomes\ntemporarily inaccessible via PCIe. Any attempt to access MMIO registers\nduring this window (e.g., from interrupt handlers or other driver threads)\ncan result in uncompleted PCIe transactions, leading to NMI panics or\nsystem hangs.\n\nTo prevent this, set the `no_hw_access` flag to true immediately after\ntriggering the reset. This signals other driver components to skip\nregister accesses while the device is offline.\n\nA memory barrier `smp_mb()` is added to ensure the flag update is\nglobally visible to all cores before the driver enters the sleep/wait\nstate.\n\n(cherry picked from commit 7edb503fe4b6d67f47d8bb0dfafb8e699bb0f8a4)"
                }
            ],
            "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_device.c",
                        "drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c",
                        "drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c"
                    ],
                    "versions": [
                        {
                            "version": "ea8139d8d59bd6f014b317e7423345169a56fe49",
                            "lessThan": "b2b9ac2bb2c5b5b0a39f7f422bbe12d3ea4ccf34",
                            "status": "affected",
                            "versionType": "git"
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                            "version": "ea8139d8d59bd6f014b317e7423345169a56fe49",
                            "lessThan": "c1853ebbec980d5c05d431bfd6ded73b1363fd00",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea8139d8d59bd6f014b317e7423345169a56fe49",
                            "lessThan": "cd7ff7fd3e4b77f0b5a292e0926532eaa07c5162",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "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_device.c",
                        "drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c",
                        "drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.70",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.10",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "5.9",
                                    "versionEndExcluding": "6.6.160"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "6.18.10"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "6.19"
                                }
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b2b9ac2bb2c5b5b0a39f7f422bbe12d3ea4ccf34"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c1853ebbec980d5c05d431bfd6ded73b1363fd00"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd7ff7fd3e4b77f0b5a292e0926532eaa07c5162"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0de604d0357d0d22cbf03af1077d174b641707b6"
                }
            ],
            "title": "drm/amd/pm: Disable MMIO access during SMU Mode 1 reset",
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}