{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68154", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.371Z", "datePublished": "2026-08-10T11:59:20.250Z", "dateUpdated": "2026-08-10T11:59:20.250Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T11:59:20.250Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: reject zero bucket types in crush_decode\n\nCRUSH bucket type 0 is reserved for devices. The mapper relies on\nthat invariant and uses type 0 to identify leaf devices.\n\nIf crush_decode() accepts a bucket with type 0, a malformed CRUSH map\ncan make the mapper treat a negative bucket ID as a device and pass it\nto is_out(), which then indexes the OSD weight array with a negative\nvalue.\n\nReject zero bucket types while decoding the CRUSH map so the invalid\nstate never reaches the mapper."}], "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": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "b8a9fb6bf806f9c4891e71ae1beab0c07c23a877", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "826cd1de5802fd392922785f9b64d76e65d2a100", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "3b2f1937f5fce8b7dd5432e7693e3cc8b5eece56", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "70998f91030ee083ecb336a1dff0701c20a38081", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "05f90284223381005d6bcddab3fda4a97f9c3401", "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": "2.6.34", "status": "affected"}, {"version": "0", "lessThan": "2.6.34", "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-rc5", "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": "2.6.34", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "7.2-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b8a9fb6bf806f9c4891e71ae1beab0c07c23a877"}, {"url": "https://git.kernel.org/stable/c/826cd1de5802fd392922785f9b64d76e65d2a100"}, {"url": "https://git.kernel.org/stable/c/3b2f1937f5fce8b7dd5432e7693e3cc8b5eece56"}, {"url": "https://git.kernel.org/stable/c/70998f91030ee083ecb336a1dff0701c20a38081"}, {"url": "https://git.kernel.org/stable/c/05f90284223381005d6bcddab3fda4a97f9c3401"}], "title": "libceph: reject zero bucket types in crush_decode", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f24e9980eb860d8600cbe5ef3d2fd9295320d229,b8a9fb6bf806f9c4891e71ae1beab0c07c23a877)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f24e9980eb860d8600cbe5ef3d2fd9295320d229,826cd1de5802fd392922785f9b64d76e65d2a100)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f24e9980eb860d8600cbe5ef3d2fd9295320d229,3b2f1937f5fce8b7dd5432e7693e3cc8b5eece56)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f24e9980eb860d8600cbe5ef3d2fd9295320d229,70998f91030ee083ecb336a1dff0701c20a38081)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f24e9980eb860d8600cbe5ef3d2fd9295320d229,05f90284223381005d6bcddab3fda4a97f9c3401)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.34"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.34)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc5,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T14:15:03.849348+00:00", "updated": "2026-08-10T16:45:03.351816+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-129"]}