{"id":"CVE-1999-1166","aliases":["EUVD-1999-1147","GHSA-8cc4-2w6x-64qg"],"status":"published","title":"Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain...","description":"Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain root privileges by accessing and modifying kernel memory.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01027,"percentile":0.63856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"1999-07-11T04:00:00Z","modified":"2026-06-16T21:49:51Z","exploits":[{"source":"exploitdb","id":"EDB-19419","title":"Linux Kernel 2.0.37 - Segment Limit Privilege Escalation","type":"local","platform":"linux","date":"1999-07-13","verified":true,"url":"https://www.exploit-db.com/exploits/19419"}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://www.securityfocus.com/bid/523","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/18156","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1166"},{"url":"https://github.com/advisories/GHSA-8cc4-2w6x-64qg"}],"sources":{"cve":[{"id":"CVE-1999-1166","description":"Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain root privileges by accessing and modifying kernel memory.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:02:53.769Z","updated_at":"2026-11-02T14:33:53.60785Z"}],"euvd":[{"id":"EUVD-1999-1147","description":"Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain root privileges by accessing and modifying kernel memory.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:02:53Z","updated_at":"2026-11-03T03:50:43.777799Z"}],"ghsa":[{"id":"GHSA-8cc4-2w6x-64qg","title":"Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain...","description":"Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain root privileges by accessing and modifying kernel memory.","status":"published","published":"2022-04-30T18:11:56Z","modified":"2023-01-30T05:04:41Z","updated_at":"2026-11-02T14:47:06.389944Z"}],"nvd":[{"id":"CVE-1999-1166","description":"Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain root privileges by accessing and modifying kernel memory.","status":"published","published":"1999-07-11T04:00:00Z","modified":"2026-06-16T21:49:51.663Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:40.923898Z"}]}}