{"api_version":"1","generated_at":"2026-06-27T18:35:16+00:00","cve":"CVE-2026-49417","urls":{"html":"https://cve.report/CVE-2026-49417","api":"https://cve.report/api/cve/CVE-2026-49417.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-49417","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-49417"},"summary":{"title":"Multiple vulnerabilities in the sound(4) mmap path","description":"Second, the audio buffer backing a mapping could be freed when the device was closed even though the mapping remained valid.  The freed memory could then be reused elsewhere while still accessible through the stale mapping.\n\nThe /dev/dsp device nodes are world-accessible by default.  On a system with an audio device, either issue allows an unprivileged local user to read and write kernel memory, which can be used to escalate privileges, potentially gaining full control of the affected system.  At a minimum, an attacker can crash the kernel, resulting in a Denial of Service (DoS).","state":"PUBLISHED","assigner":"freebsd","published_at":"2026-06-27 09:16:24","updated_at":"2026-06-27 09:16:24"},"problem_types":["CWE-416","CWE-416 CWE-416: Use After Free"],"metrics":[],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:27.sound.asc","name":"https://security.freebsd.org/advisories/FreeBSD-SA-26:27.sound.asc","refsource":"secteam@freebsd.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-49417","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49417","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"FreeBSD","product":"FreeBSD","version":"affected 15.0-RELEASE p10 release","platforms":[]},{"source":"CNA","vendor":"FreeBSD","product":"FreeBSD","version":"affected 14.4-RELEASE p6 release","platforms":[]},{"source":"CNA","vendor":"FreeBSD","product":"FreeBSD","version":"affected 14.3-RELEASE p15 release","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Lexpl0it, 75Acol, Liyw979, Rob1n","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unknown","modules":["sound"],"product":"FreeBSD","vendor":"FreeBSD","versions":[{"lessThan":"p10","status":"affected","version":"15.0-RELEASE","versionType":"release"},{"lessThan":"p6","status":"affected","version":"14.4-RELEASE","versionType":"release"},{"lessThan":"p15","status":"affected","version":"14.3-RELEASE","versionType":"release"}]}],"credits":[{"lang":"en","type":"finder","value":"Lexpl0it, 75Acol, Liyw979, Rob1n"}],"datePublic":"2026-06-09T23:30:00.000Z","descriptions":[{"lang":"en","value":"Second, the audio buffer backing a mapping could be freed when the device was closed even though the mapping remained valid.  The freed memory could then be reused elsewhere while still accessible through the stale mapping.\n\nThe /dev/dsp device nodes are world-accessible by default.  On a system with an audio device, either issue allows an unprivileged local user to read and write kernel memory, which can be used to escalate privileges, potentially gaining full control of the affected system.  At a minimum, an attacker can crash the kernel, resulting in a Denial of Service (DoS)."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416: Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-27T08:48:30.991Z","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd"},"references":[{"tags":["vendor-advisory"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:27.sound.asc"}],"title":"Multiple vulnerabilities in the sound(4) mmap path","x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","assignerShortName":"freebsd","cveId":"CVE-2026-49417","datePublished":"2026-06-27T08:48:30.991Z","dateReserved":"2026-05-29T20:24:28.615Z","dateUpdated":"2026-06-27T08:48:30.991Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-27 09:16:24","lastModifiedDate":"2026-06-27 09:16:24","problem_types":["CWE-416","CWE-416 CWE-416: Use After Free"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"49417","Ordinal":"1","Title":"Multiple vulnerabilities in the sound(4) mmap path","CVE":"CVE-2026-49417","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"49417","Ordinal":"1","NoteData":"Second, the audio buffer backing a mapping could be freed when the device was closed even though the mapping remained valid.  The freed memory could then be reused elsewhere while still accessible through the stale mapping.\n\nThe /dev/dsp device nodes are world-accessible by default.  On a system with an audio device, either issue allows an unprivileged local user to read and write kernel memory, which can be used to escalate privileges, potentially gaining full control of the affected system.  At a minimum, an attacker can crash the kernel, resulting in a Denial of Service (DoS).","Type":"Description","Title":"Multiple vulnerabilities in the sound(4) mmap path"}]}}}