310 lines
16 KiB
JSON
310 lines
16 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-68157",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2026-07-30T09:28:09.371Z",
|
|
"datePublished": "2026-08-10T11:59:23.692Z",
|
|
"dateUpdated": "2026-10-19T20:58:54.933Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-08-19T16:30:27.540Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: guard missing CRUSH type name lookup\n\nLocalized read selection can walk a parent bucket whose name exists in\nthe CRUSH map while its type has no matching entry in type_names.\nget_immediate_parent() then dereferences a NULL type_cn and passes an\ninvalid pointer into strcmp(), causing a null-ptr-deref.\n\nSkip such malformed parent buckets unless both the bucket name and type\nname metadata are present. This keeps malformed hierarchy data from\ncrashing locality lookup and safely falls back to \"not local\".\n\n[ idryomov: add WARN_ON_ONCE ]"
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
|
|
"baseScore": 7.5,
|
|
"baseSeverity": "HIGH"
|
|
},
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "AV:N - Malformed CRUSH hierarchy data is delivered to the kernel Ceph client in CEPH_MSG_OSD_MAP over TCP from a monitor or OSD peer, stored in libceph, and later triggers get_immediate_parent() during localized-read target selection on RBD/CephFS client I/O.\nAC:L - A compromised or attacker-controlled Ceph monitor can publish an osdmap whose CRUSH buckets have names but missing type_names entries; once applied, the NULL dereference is reliably hit on subsequent localize-read calc_target() paths without further attacker-controlled timing.\nPR:N - Exploitation requires no privileges on the victim host; any machine acting as a kernel Ceph client that receives a forged osdmap from a cluster peer over the network can be attacked without local capabilities or user-namespace tricks.\nUI:N - No victim user action is needed at exploitation time beyond the host already being a Ceph client with localized reads enabled; forged osdmaps are applied automatically and the crash fires on subsequent kernel client read or map-rescan operations.\nS:U - Impact is confined to kernel memory on the Ceph client host (crash or potential escalation within that host); it does not cross VM, IOMMU, or sandbox boundaries to other security authorities.\nC:N - The failure is a NULL pointer dereference when accessing type_cn->cn_name; there is no out-of-bounds read, use-after-free, or other memory corruption that could disclose kernel data.\nI:N - The bug causes a NULL pointer dereference crash only; no attacker-controlled write, heap corruption, or control-flow hijack primitive is created by this defect.\nA:H - The NULL pointer dereference in get_immediate_parent() during CRUSH locality lookup causes a kernel oops or panic, denying all service on the affected Ceph client host."
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"net/ceph/osdmap.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "cbfcba275326c8c7dae9acd8f4a0d4c316fdafb0",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "8ff579ac03d6e9d17d6d9c8443110167c14a382d",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "6a4b75d90f0cfbf22c14742ab35a803bc13f36ec",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "c46d82c47afc968d6ee8ef4470fa2dd35b765c21",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "3767c9f0c1bbd98dd25cb088356a0fc6c1f09f50",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "4716a64b7cc2797741f7be4e283ace78a9dff37d",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "db9cc9fd9660b2d69ee66f5a4cbec83c21a1c64d",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "117d96a04f007ce8fc2e292369056c3bd09f6f63",
|
|
"lessThan": "bbeae12fda3384a90fbebc8a19ba9d33f85b5361",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "affected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"net/ceph/osdmap.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "5.8",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "5.8",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.10.265",
|
|
"lessThanOrEqual": "5.10.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.15.216",
|
|
"lessThanOrEqual": "5.15.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.1.183",
|
|
"lessThanOrEqual": "6.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.6.148",
|
|
"lessThanOrEqual": "6.6.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.12.101",
|
|
"lessThanOrEqual": "6.12.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.18.42",
|
|
"lessThanOrEqual": "6.18.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.1.6",
|
|
"lessThanOrEqual": "7.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.2",
|
|
"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": "5.8",
|
|
"versionEndExcluding": "5.10.265"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.8",
|
|
"versionEndExcluding": "5.15.216"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.8",
|
|
"versionEndExcluding": "6.1.183"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.8",
|
|
"versionEndExcluding": "6.6.148"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.8",
|
|
"versionEndExcluding": "6.12.101"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.8",
|
|
"versionEndExcluding": "6.18.42"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.8",
|
|
"versionEndExcluding": "7.1.6"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.8",
|
|
"versionEndExcluding": "7.2"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/cbfcba275326c8c7dae9acd8f4a0d4c316fdafb0"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/8ff579ac03d6e9d17d6d9c8443110167c14a382d"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/6a4b75d90f0cfbf22c14742ab35a803bc13f36ec"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/c46d82c47afc968d6ee8ef4470fa2dd35b765c21"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/3767c9f0c1bbd98dd25cb088356a0fc6c1f09f50"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/4716a64b7cc2797741f7be4e283ace78a9dff37d"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/db9cc9fd9660b2d69ee66f5a4cbec83c21a1c64d"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/bbeae12fda3384a90fbebc8a19ba9d33f85b5361"
|
|
}
|
|
],
|
|
"title": "libceph: guard missing CRUSH type name lookup",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2026-68157",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2026-10-16T15:45:12.675517Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"type": "CWE",
|
|
"cweId": "CWE-476",
|
|
"description": "CWE-476 NULL Pointer Dereference"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-10-19T20:58:54.933Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |