{"id":"CVE-2026-93316","state":"PUBLISHED","title":"Starting daemon with --cdi-disabled flag can lead to panic on specific builds","description":"If BuildKit daemon is started with --cdi-disabled it can lead to daemon panic when builds try to use CDI devices. This can happen maliciously or by accident.","publishedAt":"2026-10-05T17:42:12.969Z","updatedAt":"2026-10-05T19:05:36.514Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"Docker"},"assigner":"Docker","products":["moby BuildKit"],"affected":[{"vendor":"moby","product":"BuildKit","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.33.1","versionType":"semver"}]}],"references":["https://github.com/moby/buildkit/security/advisories/GHSA-r456-g3gm-cvxf","https://github.com/moby/buildkit/releases/tag/v0.33.1"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93316.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93316","state":"PUBLISHED","datePublished":"2026-10-05T17:42:12.969Z","dateUpdated":"2026-10-05T19:05:36.514Z","assignerShortName":"Docker","assignerOrgId":"686469e6-3ff6-451b-ab8b-cf5b9e89401e","dateReserved":"2026-09-17T17:17:35.128Z"},"containers":{"cna":{"title":"Starting daemon with --cdi-disabled flag can lead to panic on specific builds","descriptions":[{"lang":"en","value":"If BuildKit daemon is started with --cdi-disabled it can lead to daemon panic when builds try to use CDI devices. This can happen maliciously or by accident."}],"affected":[{"vendor":"moby","product":"BuildKit","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.33.1","versionType":"semver"}]}],"references":[{"url":"https://github.com/moby/buildkit/security/advisories/GHSA-r456-g3gm-cvxf","tags":["vendor-advisory"]},{"url":"https://github.com/moby/buildkit/releases/tag/v0.33.1","tags":["patch"]}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","exploitMaturity":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Docker","orgId":"686469e6-3ff6-451b-ab8b-cf5b9e89401e","dateUpdated":"2026-10-05T17:42:12.969Z"},"credits":[{"lang":"en","type":"finder","value":"He Wei (https://github.com/hewei-gikaku)"}],"source":{"discovery":"EXTERNAL"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The issue only appears when --cdi-disabled is set as a specific flag in daemon startup or TOML config. Without it, builds get regular entitlement checks and fail cleanly if the user doesn't allow specific CDI entitlements per build."}],"value":"The issue only appears when --cdi-disabled is set as a specific flag in daemon startup or TOML config. Without it, builds get regular entitlement checks and fail cleanly if the user doesn't allow specific CDI entitlements per build."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T19:05:26.495778Z","id":"CVE-2026-93316","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-05T19:05:36.514Z"}}]}}}