{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-52877",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-21T15:19:24.264Z",
        "datePublished": "2024-05-21T15:32:09.946Z",
        "dateUpdated": "2024-08-02T23:11:36.091Z"
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                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:18:54.970Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()\n\nIt is possible that typec_register_partner() returns ERR_PTR on failure.\nWhen port->partner is an error, a NULL pointer dereference may occur as\nshown below.\n\n[91222.095236][  T319] typec port0: failed to register partner (-17)\n...\n[91225.061491][  T319] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000039f\n[91225.274642][  T319] pc : tcpm_pd_data_request+0x310/0x13fc\n[91225.274646][  T319] lr : tcpm_pd_data_request+0x298/0x13fc\n[91225.308067][  T319] Call trace:\n[91225.308070][  T319]  tcpm_pd_data_request+0x310/0x13fc\n[91225.308073][  T319]  tcpm_pd_rx_handler+0x100/0x9e8\n[91225.355900][  T319]  kthread_worker_fn+0x178/0x58c\n[91225.355902][  T319]  kthread+0x150/0x200\n[91225.355905][  T319]  ret_from_fork+0x10/0x30\n\nAdd a check for port->partner to avoid dereferencing a NULL pointer."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/typec/tcpm/tcpm.c"
                    ],
                    "versions": [
                        {
                            "version": "5e1d4c49fbc8",
                            "lessThan": "e5f53a68a596",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e1d4c49fbc8",
                            "lessThan": "e7a802447c49",
                            "status": "affected",
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                        },
                        {
                            "version": "5e1d4c49fbc8",
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                    ]
                },
                {
                    "product": "Linux",
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                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/typec/tcpm/tcpm.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.138",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.62",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.5.11",
                            "lessThanOrEqual": "6.5.*",
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                        {
                            "version": "6.6.1",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.7",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc"
                },
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                    "url": "https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08"
                },
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                    "url": "https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b"
                }
            ],
            "title": "usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()",
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                                        "Exploitation": "none"
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                                "role": "CISA Coordinator",
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                "title": "CVE Program Container",
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