{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49424","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","state":"PUBLISHED","assignerShortName":"freebsd","dateReserved":"2026-05-29T20:24:28.616Z","datePublished":"2026-08-19T07:08:35.691Z","dateUpdated":"2026-08-26T17:52:14.113Z"},"containers":{"cna":{"datePublic":"2026-06-30T20:00:00.000Z","title":"Kernel stack disclosure in Linux compatibility layer","references":[{"tags":["vendor-advisory"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:47.linux.asc"}],"affected":[{"defaultStatus":"unknown","modules":["linux"],"product":"FreeBSD","vendor":"FreeBSD","versions":[{"status":"affected","versionType":"release","version":"15.0-RELEASE","lessThan":"p11"},{"status":"affected","versionType":"release","version":"14.4-RELEASE","lessThan":"p7"},{"status":"affected","versionType":"release","version":"14.3-RELEASE","lessThan":"p16"}]}],"credits":[{"lang":"en","type":"finder","value":"Adam Crosser, Praetorian"}],"descriptions":[{"lang":"en","value":"The Linux waitid() implementation translates a FreeBSD siginfo_t struct into a stack-declared Linux siginfo_t.  It did not first zero the stack struct.\n\nAn unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-908","description":"CWE-908: Use of Uninitialized Resource","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd","dateUpdated":"2026-08-19T07:08:35.691Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-26T17:52:11.389421Z","id":"CVE-2026-49424","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-26T17:52:14.113Z"}}]}}