CVE-2023-54186 (GCVE-0-2023-54186)
Vulnerability from cvelistv5
Published
2025-12-30 12:08
Modified
2025-12-30 12:08
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: altmodes/displayport: fix pin_assignment_show
This patch fixes negative indexing of buf array in pin_assignment_show
when get_current_pin_assignments returns 0 i.e. no compatible pin
assignments are found.
BUG: KASAN: use-after-free in pin_assignment_show+0x26c/0x33c
...
Call trace:
dump_backtrace+0x110/0x204
dump_stack_lvl+0x84/0xbc
print_report+0x358/0x974
kasan_report+0x9c/0xfc
__do_kernel_fault+0xd4/0x2d4
do_bad_area+0x48/0x168
do_tag_check_fault+0x24/0x38
do_mem_abort+0x6c/0x14c
el1_abort+0x44/0x68
el1h_64_sync_handler+0x64/0xa4
el1h_64_sync+0x78/0x7c
pin_assignment_show+0x26c/0x33c
dev_attr_show+0x50/0xc0
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 Version: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 Version: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 Version: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 Version: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 Version: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 Version: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 |
||
{
"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"
},
{
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"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"
}
],
"providerMetadata": {
"dateUpdated": "2025-12-30T12:08:55.882Z",
"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": "2025-12-30T12:08:55.882Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2023-54186\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:06.570\",\"lastModified\":\"2025-12-30T13:16:06.570\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"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\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/08bd1be1c716fd50a7df48f82dcbc59a103082b5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4f9c0a7c272626cb6716ffc7800e8c73260cdce6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/54ee23e4ab263a495ace1eed43d3883212ece17f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d8f28269dd4bf9b55c3fb376ae31512730a96fce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fc0e18f95c88435bd8a1ceb540243cd7fbcd9781\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ff466f77d0a56719979c4234abd412abd98eae8f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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