{"id":"CVE-2022-47938","aliases":["AZL-12093","DEBIAN-CVE-2022-47938","EUVD-2022-50671","GHSA-jcw4-9ccq-g3rh","OESA-2023-1012","UBUNTU-CVE-2022-47938"],"status":"published","title":"An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2misc.c has an...","description":"An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.60016,"percentile":0.99142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2022-12-23T00:00:00Z","modified":"2026-11-03T08:01:39Z","fixes":[{"ecosystem":"Azure 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Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-47938","tags":["web","advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-1689"},{"url":"https://github.com/advisories/GHSA-jcw4-9ccq-g3rh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47938.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-47938","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1012","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-47941","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-47939","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-47938","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2022/12/23/10","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-47938","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-47938","description":"An 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SMB2_TREE_CONNECT.","status":"published","published":"2022-12-23T16:15:12.02Z","modified":"2026-06-17T05:14:28.963Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:34.388163Z"}],"osv":[{"id":"AZL-12093","title":"CVE-2022-47938 affecting package kernel for versions less than 5.15.86.1-1","description":"An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.","status":"published","published":"2022-12-23T16:15:12Z","modified":"2026-04-21T04:22:23.50826Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:02.666535Z"},{"id":"CVE-2022-47938","description":"An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.","status":"published","published":"2022-12-23T00:00:00Z","modified":"2026-10-28T02:30:49.831021181Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:27.776402Z"},{"id":"DEBIAN-CVE-2022-47938","description":"An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.","status":"published","published":"2022-12-23T16:15:12.02Z","modified":"2026-11-03T08:01:39.819397744Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T08:25:01.007408Z"},{"id":"OESA-2023-1012","title":"kernel security update","description":"The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.(CVE-2022-47938)\r\n\r\nAn issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.(CVE-2022-47941)\r\n\r\nAn issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.(CVE-2022-47939)","status":"published","published":"2023-01-06T11:05:29Z","modified":"2026-08-18T01:17:29.996542566Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:39.934788Z"},{"id":"UBUNTU-CVE-2022-47938","description":"An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.","status":"published","published":"2022-12-23T16:15:00Z","modified":"2026-04-22T13:33:05.292823Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:53:56.473586Z"}]}}