{"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"}}}}