{"api_version":"1","generated_at":"2026-10-29T10:37:28+00:00","cve":"CVE-2023-54186","urls":{"html":"https://cve.report/CVE-2023-54186","api":"https://cve.report/api/cve/CVE-2023-54186.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-54186","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-54186"},"summary":{"title":"usb: typec: altmodes/displayport: fix pin_assignment_show","description":"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","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-30 13:16:06","updated_at":"2026-08-04 11:16:35"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/ff466f77d0a56719979c4234abd412abd98eae8f","name":"https://git.kernel.org/stable/c/ff466f77d0a56719979c4234abd412abd98eae8f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d8f28269dd4bf9b55c3fb376ae31512730a96fce","name":"https://git.kernel.org/stable/c/d8f28269dd4bf9b55c3fb376ae31512730a96fce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08bd1be1c716fd50a7df48f82dcbc59a103082b5","name":"https://git.kernel.org/stable/c/08bd1be1c716fd50a7df48f82dcbc59a103082b5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4f9c0a7c272626cb6716ffc7800e8c73260cdce6","name":"https://git.kernel.org/stable/c/4f9c0a7c272626cb6716ffc7800e8c73260cdce6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2","name":"https://git.kernel.org/stable/c/0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/54ee23e4ab263a495ace1eed43d3883212ece17f","name":"https://git.kernel.org/stable/c/54ee23e4ab263a495ace1eed43d3883212ece17f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fc0e18f95c88435bd8a1ceb540243cd7fbcd9781","name":"https://git.kernel.org/stable/c/fc0e18f95c88435bd8a1ceb540243cd7fbcd9781","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-54186","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54186","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 4f9c0a7c272626cb6716ffc7800e8c73260cdce6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 ff466f77d0a56719979c4234abd412abd98eae8f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 fc0e18f95c88435bd8a1ceb540243cd7fbcd9781 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.113 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.30 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3.4 6.3.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2023","cve_id":"54186","cve":"CVE-2023-54186","epss":"0.001300000","percentile":"0.030450000","score_date":"2026-08-06","updated_at":"2026-08-07 00:14:20"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/typec/altmodes/displayport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2","status":"affected","version":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588","versionType":"git"},{"lessThan":"4f9c0a7c272626cb6716ffc7800e8c73260cdce6","status":"affected","version":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588","versionType":"git"},{"lessThan":"ff466f77d0a56719979c4234abd412abd98eae8f","status":"affected","version":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588","versionType":"git"},{"lessThan":"fc0e18f95c88435bd8a1ceb540243cd7fbcd9781","status":"affected","version":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588","versionType":"git"},{"lessThan":"08bd1be1c716fd50a7df48f82dcbc59a103082b5","status":"affected","version":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588","versionType":"git"},{"lessThan":"54ee23e4ab263a495ace1eed43d3883212ece17f","status":"affected","version":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588","versionType":"git"},{"lessThan":"d8f28269dd4bf9b55c3fb376ae31512730a96fce","status":"affected","version":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/typec/altmodes/displayport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"4.19.*","status":"unaffected","version":"4.19.284","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.244","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.181","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.113","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.30","versionType":"semver"},{"lessThanOrEqual":"6.3.*","status":"unaffected","version":"6.3.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.19.284","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.244","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.181","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.113","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.30","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.3.4","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.4","versionStartIncluding":"4.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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"}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:18:15.991Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-54186","datePublished":"2025-12-30T12:08:55.882Z","dateReserved":"2025-12-30T12:06:44.497Z","dateUpdated":"2026-08-04T09:18:15.991Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-30 13:16:06","lastModifiedDate":"2026-08-04 11:16:35","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2023","CveId":"54186","Ordinal":"1","Title":"usb: typec: altmodes/displayport: fix pin_assignment_show","CVE":"CVE-2023-54186","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"54186","Ordinal":"1","NoteData":"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","Type":"Description","Title":"usb: typec: altmodes/displayport: fix pin_assignment_show"}]}}}