{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53271",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-16T08:05:12.516Z",
        "datePublished": "2025-09-16T08:07:00.565Z",
        "dateUpdated": "2026-05-11T19:41:41.656Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:41:41.656Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()\n\nThere is a memory leaks problem reported by kmemleak:\n\nunreferenced object 0xffff888102007a00 (size 128):\n  comm \"ubirsvol\", pid 32090, jiffies 4298464136 (age 2361.231s)\n  hex dump (first 32 bytes):\nff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................\nff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................\n  backtrace:\n[<ffffffff8176cecd>] __kmalloc+0x4d/0x150\n[<ffffffffa02a9a36>] ubi_eba_create_table+0x76/0x170 [ubi]\n[<ffffffffa029764e>] ubi_resize_volume+0x1be/0xbc0 [ubi]\n[<ffffffffa02a3321>] ubi_cdev_ioctl+0x701/0x1850 [ubi]\n[<ffffffff81975d2d>] __x64_sys_ioctl+0x11d/0x170\n[<ffffffff83c142a5>] do_syscall_64+0x35/0x80\n[<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThis is due to a mismatch between create and destroy interfaces, and\nin detail that \"new_eba_tbl\" created by ubi_eba_create_table() but\ndestroyed by kfree(), while will causing \"new_eba_tbl->entries\" not\nfreed.\n\nFix it by replacing kfree(new_eba_tbl) with\nubi_eba_destroy_table(new_eba_tbl)"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/mtd/ubi/vmt.c"
                    ],
                    "versions": [
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "09780a44093b53f9cbca76246af2e4ff0884e512",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "26ec2d66aecab8ff997b912c20247fedba4f5740",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "07b60f7452d2fa731737552937cb81821919f874",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "31d60afe2cc2b712dbefcaab6b7d6a47036f844e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "95a72417dd13ebcdcb1bd0c5d4d15f7c5bfbb288",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "27b760b81951d8d5e5c952a696af8574052b0709",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "5c0c81a313492b83bd0c038b8839b0e04eb87563",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "799dca34ac543485f581bd8464ec9b1c4f0f852a",
                            "lessThan": "1e591ea072df7211f64542a09482b5f81cb3ad27",
                            "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/mtd/ubi/vmt.c"
                    ],
                    "versions": [
                        {
                            "version": "4.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.308",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.276",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.235",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.173",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.100",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.18",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.5",
                            "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": "4.9",
                                    "versionEndExcluding": "4.14.308"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "4.19.276"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "5.4.235"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "5.10.173"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "5.15.100"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.1.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.2.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/09780a44093b53f9cbca76246af2e4ff0884e512"
                },
                {
                    "url": "https://git.kernel.org/stable/c/26ec2d66aecab8ff997b912c20247fedba4f5740"
                },
                {
                    "url": "https://git.kernel.org/stable/c/07b60f7452d2fa731737552937cb81821919f874"
                },
                {
                    "url": "https://git.kernel.org/stable/c/31d60afe2cc2b712dbefcaab6b7d6a47036f844e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/95a72417dd13ebcdcb1bd0c5d4d15f7c5bfbb288"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27b760b81951d8d5e5c952a696af8574052b0709"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5c0c81a313492b83bd0c038b8839b0e04eb87563"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1e591ea072df7211f64542a09482b5f81cb3ad27"
                }
            ],
            "title": "ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2023-53271",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-01-14T18:05:38.759947Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-401",
                                "description": "CWE-401 Missing Release of Memory after Effective Lifetime"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-14T18:12:53.436Z"
                }
            }
        ]
    }
}