{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54154",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T13:02:52.529Z",
        "datePublished": "2025-12-24T13:07:04.721Z",
        "dateUpdated": "2026-05-23T15:33:43.772Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:33:43.772Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: core: Fix target_cmd_counter leak\n\nThe target_cmd_counter struct allocated via target_alloc_cmd_counter() is\nnever freed, resulting in leaks across various transport types, e.g.:\n\n unreferenced object 0xffff88801f920120 (size 96):\n  comm \"sh\", pid 102, jiffies 4294892535 (age 713.412s)\n  hex dump (first 32 bytes):\n    07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 38 01 92 1f 80 88 ff ff  ........8.......\n  backtrace:\n    [<00000000e58a6252>] kmalloc_trace+0x11/0x20\n    [<0000000043af4b2f>] target_alloc_cmd_counter+0x17/0x90 [target_core_mod]\n    [<000000007da2dfa7>] target_setup_session+0x2d/0x140 [target_core_mod]\n    [<0000000068feef86>] tcm_loop_tpg_nexus_store+0x19b/0x350 [tcm_loop]\n    [<000000006a80e021>] configfs_write_iter+0xb1/0x120\n    [<00000000e9f4d860>] vfs_write+0x2e4/0x3c0\n    [<000000008143433b>] ksys_write+0x80/0xb0\n    [<00000000a7df29b2>] do_syscall_64+0x42/0x90\n    [<0000000053f45fb8>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n\nFree the structure alongside the corresponding iscsit_conn / se_sess\nparent."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/target/target_core_transport.c"
                    ],
                    "versions": [
                        {
                            "version": "76b77646f17118f5babe93c032e6b7a53bbde3b9",
                            "lessThan": "1cd41d1669bcbc5052afa897f85608a62ff3fb30",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "becd9be6069e7b183c084f460f0eb363e43cc487",
                            "lessThan": "f84639c5ac5f4f95b3992da1af4ff382ebf2e819",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "becd9be6069e7b183c084f460f0eb363e43cc487",
                            "lessThan": "d14e3e553e05cb763964c991fe6acb0a6a1c6f9c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bc5ebf93ae23a928303b3643c6f4c4da2f769e7c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1eaaf1b828cdaa58abccc68962d24005fd5e8852",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.28",
                            "lessThan": "6.1.55",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.15",
                            "lessThan": "6.3",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.2",
                            "lessThan": "6.4",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/target/target_core_transport.c"
                    ],
                    "versions": [
                        {
                            "version": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.55",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.5",
                            "lessThanOrEqual": "6.5.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6",
                            "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": "6.1.28",
                                    "versionEndExcluding": "6.1.55"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.5.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2.15"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1cd41d1669bcbc5052afa897f85608a62ff3fb30"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f84639c5ac5f4f95b3992da1af4ff382ebf2e819"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d14e3e553e05cb763964c991fe6acb0a6a1c6f9c"
                }
            ],
            "title": "scsi: target: core: Fix target_cmd_counter leak",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}