{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53325",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.398Z",
        "datePublished": "2026-06-29T04:53:35.833Z",
        "dateUpdated": "2026-08-17T04:50:26.049Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T04:50:26.049Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nagp/amd64: Fix broken error propagation in agp_amd64_probe()\n\nA NULL pointer dereference was observed in the AMD64 AGP driver when\nrunning in a virtualized environment (e.g. qemu/kvm) without a physical\nAMD northbridge. The crash occurs in amd64_fetch_size() when attempting\nto dereference the pointer returned by node_to_amd_nb(0).\n\nThe root cause of this crash is broken error propagation in\nagp_amd64_probe(): When no AMD northbridges are found, cache_nbs()\ncorrectly returns -ENODEV. However, the probe function erroneously\nchecks the return value against exactly -1, rather than < 0.\n\nAs a result, the hardware absence error is masked, allowing the driver\nto improperly proceed with initialization. It eventually calls\nagp_add_bridge(), which invokes amd64_fetch_size(). Since the hardware\ndoes not exist, node_to_amd_nb(0) returns NULL, leading to a General\nProtection Fault (GPF) when accessing its ->misc member.\n\nFix the issue by correcting the error check in agp_amd64_probe() to\nabort properly when cache_nbs() returns any negative error code. This\nprevents the driver from erroneously proceeding without hardware, thereby\navoiding the subsequent NULL pointer dereference at its source."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/char/agp/amd64-agp.c"
                    ],
                    "versions": [
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "ce800993af477fc24187349c6a20d3073140b759",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "1d7d45050e14083c1de1460c93f4063c1f0bca7b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "3e844a63668d1c3d10a9d347d7ebf161b2f91c84",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "eb045714bc6a2bbb0befb7a31b996a196e188869",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "564b3b3f6565313eb6fa5355ffd037d6fb27897f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "53483a9f4ee9eeb18aa866ec16cce79e136987e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "0aa9b27c454c53074cde592eaceb442d30341585",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "cefe535a60a2e00e09f4b2689b0c8ffc6912459a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a32073bffc656ca4bde6002b6cf7c1a8e0e22712",
                            "lessThan": "b08472db93b1ccff84a7adec5779d47f0e9d3a30",
                            "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/char/agp/amd64-agp.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.260",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.211",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.177",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.144",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.95",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.37",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.14",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.2",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.18",
                                    "versionEndExcluding": "5.10.260"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ce800993af477fc24187349c6a20d3073140b759"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1d7d45050e14083c1de1460c93f4063c1f0bca7b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3e844a63668d1c3d10a9d347d7ebf161b2f91c84"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb045714bc6a2bbb0befb7a31b996a196e188869"
                },
                {
                    "url": "https://git.kernel.org/stable/c/564b3b3f6565313eb6fa5355ffd037d6fb27897f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/53483a9f4ee9eeb18aa866ec16cce79e136987e1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0aa9b27c454c53074cde592eaceb442d30341585"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cefe535a60a2e00e09f4b2689b0c8ffc6912459a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b08472db93b1ccff84a7adec5779d47f0e9d3a30"
                }
            ],
            "title": "agp/amd64: Fix broken error propagation in agp_amd64_probe()",
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