{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53991",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T10:53:46.176Z",
        "datePublished": "2025-12-24T10:55:29.833Z",
        "dateUpdated": "2026-05-11T19:53:10.724Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:53:10.724Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: Disallow unallocated resources to be returned\n\nIn the event that the topology requests resources that have not been\ncreated by the system (because they are typically not represented in\ndpu_mdss_cfg ^1), the resource(s) in global_state (in this case DSC\nblocks, until their allocation/assignment is being sanity-checked in\n\"drm/msm/dpu: Reject topologies for which no DSC blocks are available\")\nremain NULL but will still be returned out of\ndpu_rm_get_assigned_resources, where the caller expects to get an array\ncontaining num_blks valid pointers (but instead gets these NULLs).\n\nTo prevent this from happening, where null-pointer dereferences\ntypically result in a hard-to-debug platform lockup, num_blks shouldn't\nincrease past NULL blocks and will print an error and break instead.\nAfter all, max_blks represents the static size of the maximum number of\nblocks whereas the actual amount varies per platform.\n\n^1: which can happen after a git rebase ended up moving additions to\n_dpu_cfg to a different struct which has the same patch context.\n\nPatchwork: https://patchwork.freedesktop.org/patch/517636/"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c"
                    ],
                    "versions": [
                        {
                            "version": "bb00a452d6f77391441ef7df48f7115dd459cd2f",
                            "lessThan": "8dbd54d679e3ab37be43bc1ed9f463dbf83a2259",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bb00a452d6f77391441ef7df48f7115dd459cd2f",
                            "lessThan": "bf661c5e3bc48973acb363c76e3db965d9ed26d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bb00a452d6f77391441ef7df48f7115dd459cd2f",
                            "lessThan": "9e1e236acdc42b5c43ec8d7f03a39537e70cc309",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bb00a452d6f77391441ef7df48f7115dd459cd2f",
                            "lessThan": "9fe3644c720ac87d150f0bba5a4ae86cae55afaf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bb00a452d6f77391441ef7df48f7115dd459cd2f",
                            "lessThan": "abc40122d9a69f56c04efb5a7485795f5ac799d1",
                            "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/msm/disp/dpu1/dpu_rm.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.173",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.99",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.16",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.3",
                            "lessThanOrEqual": "6.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3",
                            "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": "5.7",
                                    "versionEndExcluding": "5.10.173"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.15.99"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.1.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.2.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8dbd54d679e3ab37be43bc1ed9f463dbf83a2259"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bf661c5e3bc48973acb363c76e3db965d9ed26d0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9e1e236acdc42b5c43ec8d7f03a39537e70cc309"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9fe3644c720ac87d150f0bba5a4ae86cae55afaf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/abc40122d9a69f56c04efb5a7485795f5ac799d1"
                }
            ],
            "title": "drm/msm/dpu: Disallow unallocated resources to be returned",
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                "engine": "bippy-1.2.0"
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}