{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53144",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-02T15:51:43.564Z",
        "datePublished": "2025-05-02T15:56:14.417Z",
        "dateUpdated": "2026-05-11T19:39:17.841Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:39:17.841Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix wrong kunmap when using LZMA on HIGHMEM platforms\n\nAs the call trace shown, the root cause is kunmap incorrect pages:\n\n BUG: kernel NULL pointer dereference, address: 00000000\n CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted 6.2.0-rc5 #4\n Workqueue: erofs_worker z_erofs_decompressqueue_work\n EIP: z_erofs_lzma_decompress+0x34b/0x8ac\n  z_erofs_decompress+0x12/0x14\n  z_erofs_decompress_queue+0x7e7/0xb1c\n  z_erofs_decompressqueue_work+0x32/0x60\n  process_one_work+0x24b/0x4d8\n  ? process_one_work+0x1a4/0x4d8\n  worker_thread+0x14c/0x3fc\n  kthread+0xe6/0x10c\n  ? rescuer_thread+0x358/0x358\n  ? kthread_complete_and_exit+0x18/0x18\n  ret_from_fork+0x1c/0x28\n ---[ end trace 0000000000000000 ]---\n\nThe bug is trivial and should be fixed now.  It has no impact on\n!HIGHMEM platforms."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/erofs/decompressor_lzma.c"
                    ],
                    "versions": [
                        {
                            "version": "622ceaddb7649ca328832f50ba1400af778d75fa",
                            "lessThan": "fa4056781ac067b5946c6811459e1a36842047fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "622ceaddb7649ca328832f50ba1400af778d75fa",
                            "lessThan": "28aea8ae6cf212a5bf3ed962b27921e2029ad754",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "622ceaddb7649ca328832f50ba1400af778d75fa",
                            "lessThan": "8f121dfb15f7b4ab345992ce96003eb63fd608f4",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/erofs/decompressor_lzma.c"
                    ],
                    "versions": [
                        {
                            "version": "5.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.20",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.7",
                            "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": "5.16",
                                    "versionEndExcluding": "6.1.20"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.2.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/fa4056781ac067b5946c6811459e1a36842047fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/28aea8ae6cf212a5bf3ed962b27921e2029ad754"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8f121dfb15f7b4ab345992ce96003eb63fd608f4"
                }
            ],
            "title": "erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}