{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54186",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.497Z",
        "datePublished": "2025-12-30T12:08:55.882Z",
        "dateUpdated": "2026-05-11T19:57:07.782Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:57:07.782Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmodes/displayport: fix pin_assignment_show\n\nThis patch fixes negative indexing of buf array in pin_assignment_show\nwhen get_current_pin_assignments returns 0 i.e. no compatible pin\nassignments are found.\n\nBUG: KASAN: use-after-free in pin_assignment_show+0x26c/0x33c\n...\nCall trace:\ndump_backtrace+0x110/0x204\ndump_stack_lvl+0x84/0xbc\nprint_report+0x358/0x974\nkasan_report+0x9c/0xfc\n__do_kernel_fault+0xd4/0x2d4\ndo_bad_area+0x48/0x168\ndo_tag_check_fault+0x24/0x38\ndo_mem_abort+0x6c/0x14c\nel1_abort+0x44/0x68\nel1h_64_sync_handler+0x64/0xa4\nel1h_64_sync+0x78/0x7c\npin_assignment_show+0x26c/0x33c\ndev_attr_show+0x50/0xc0"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/typec/altmodes/displayport.c"
                    ],
                    "versions": [
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "4f9c0a7c272626cb6716ffc7800e8c73260cdce6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "ff466f77d0a56719979c4234abd412abd98eae8f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "fc0e18f95c88435bd8a1ceb540243cd7fbcd9781",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "08bd1be1c716fd50a7df48f82dcbc59a103082b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "54ee23e4ab263a495ace1eed43d3883212ece17f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "d8f28269dd4bf9b55c3fb376ae31512730a96fce",
                            "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/usb/typec/altmodes/displayport.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.284",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.244",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.181",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.113",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.30",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.4",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "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": "4.19",
                                    "versionEndExcluding": "4.19.284"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.4.244"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.10.181"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.15.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.1.30"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.3.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.4"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4f9c0a7c272626cb6716ffc7800e8c73260cdce6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff466f77d0a56719979c4234abd412abd98eae8f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fc0e18f95c88435bd8a1ceb540243cd7fbcd9781"
                },
                {
                    "url": "https://git.kernel.org/stable/c/08bd1be1c716fd50a7df48f82dcbc59a103082b5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/54ee23e4ab263a495ace1eed43d3883212ece17f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d8f28269dd4bf9b55c3fb376ae31512730a96fce"
                }
            ],
            "title": "usb: typec: altmodes/displayport: fix pin_assignment_show",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}