cvelist/2024/26xxx/CVE-2024-26932.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-26932",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: fix double-free issue in tcpm_port_unregister_pd()\n\nWhen unregister pd capabilitie in tcpm, KASAN will capture below double\n-free issue. The root cause is the same capabilitiy will be kfreed twice,\nthe first time is kfreed by pd_capabilities_release() and the second time\nis explicitly kfreed by tcpm_port_unregister_pd().\n\n[    3.988059] BUG: KASAN: double-free in tcpm_port_unregister_pd+0x1a4/0x3dc\n[    3.995001] Free of addr ffff0008164d3000 by task kworker/u16:0/10\n[    4.001206]\n[    4.002712] CPU: 2 PID: 10 Comm: kworker/u16:0 Not tainted 6.8.0-rc5-next-20240220-05616-g52728c567a55 #53\n[    4.012402] Hardware name: Freescale i.MX8QXP MEK (DT)\n[    4.017569] Workqueue: events_unbound deferred_probe_work_func\n[    4.023456] Call trace:\n[    4.025920]  dump_backtrace+0x94/0xec\n[    4.029629]  show_stack+0x18/0x24\n[    4.032974]  dump_stack_lvl+0x78/0x90\n[    4.036675]  print_report+0xfc/0x5c0\n[    4.040289]  kasan_report_invalid_free+0xa0/0xc0\n[    4.044937]  __kasan_slab_free+0x124/0x154\n[    4.049072]  kfree+0xb4/0x1e8\n[    4.052069]  tcpm_port_unregister_pd+0x1a4/0x3dc\n[    4.056725]  tcpm_register_port+0x1dd0/0x2558\n[    4.061121]  tcpci_register_port+0x420/0x71c\n[    4.065430]  tcpci_probe+0x118/0x2e0\n\nTo fix the issue, this will remove kree() from tcpm_port_unregister_pd()."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "cd099cde4ed2",
                                            "version_value": "242e425ed580"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.8",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.8",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.8.3",
                                                        "lessThanOrEqual": "6.8.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.9",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/242e425ed580b2f4dbcb86c8fc03a410a4084a69",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/242e425ed580b2f4dbcb86c8fc03a410a4084a69"
            },
            {
                "url": "https://git.kernel.org/stable/c/b63f90487bdf93a4223ce7853d14717e9d452856",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b63f90487bdf93a4223ce7853d14717e9d452856"
            }
        ]
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