178 lines
8.0 KiB
JSON
178 lines
8.0 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2022-48707",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2024-05-03T14:55:07.147Z",
|
|
"datePublished": "2024-05-21T15:22:48.735Z",
|
|
"dateUpdated": "2026-05-11T18:45:23.978Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-05-11T18:45:23.978Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncxl/region: Fix null pointer dereference for resetting decoder\n\nNot all decoders have a reset callback.\n\nThe CXL specification allows a host bridge with a single root port to\nhave no explicit HDM decoders. Currently the region driver assumes there\nare none. As such the CXL core creates a special pass through decoder\ninstance without a commit/reset callback.\n\nPrior to this patch, the ->reset() callback was called unconditionally when\ncalling cxl_region_decode_reset. Thus a configuration with 1 Host Bridge,\n1 Root Port, and one directly attached CXL type 3 device or multiple CXL\ntype 3 devices attached to downstream ports of a switch can cause a null\npointer dereference.\n\nBefore the fix, a kernel crash was observed when we destroy the region, and\na pass through decoder is reset.\n\nThe issue can be reproduced as below,\n 1) create a region with a CXL setup which includes a HB with a\n single root port under which a memdev is attached directly.\n 2) destroy the region with cxl destroy-region regionX -f."
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"drivers/cxl/core/region.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "176baefb2eb5d7a3ddebe3ff803db1fce44574b5",
|
|
"lessThan": "a04c7d062b537ff787d00da95bdfe343260d4beb",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "176baefb2eb5d7a3ddebe3ff803db1fce44574b5",
|
|
"lessThan": "4fa4302d6dc7de7e8e74dc7405611a2efb4bf54b",
|
|
"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/cxl/core/region.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "6.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "6.0",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.1.12",
|
|
"lessThanOrEqual": "6.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.2",
|
|
"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": "6.0",
|
|
"versionEndExcluding": "6.1.12"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "6.0",
|
|
"versionEndExcluding": "6.2"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/a04c7d062b537ff787d00da95bdfe343260d4beb"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/4fa4302d6dc7de7e8e74dc7405611a2efb4bf54b"
|
|
}
|
|
],
|
|
"title": "cxl/region: Fix null pointer dereference for resetting decoder",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"title": "CISA ADP Vulnrichment",
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2022-48707",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2024-05-23T17:51:43.390258Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2024-06-04T17:16:39.940Z"
|
|
}
|
|
},
|
|
{
|
|
"providerMetadata": {
|
|
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
|
|
"shortName": "CVE",
|
|
"dateUpdated": "2024-08-03T15:17:55.855Z"
|
|
},
|
|
"title": "CVE Program Container",
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/a04c7d062b537ff787d00da95bdfe343260d4beb",
|
|
"tags": [
|
|
"x_transferred"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/4fa4302d6dc7de7e8e74dc7405611a2efb4bf54b",
|
|
"tags": [
|
|
"x_transferred"
|
|
]
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
} |