{"id":"CVE-2009-2793","aliases":["EUVD-2009-2783","GHSA-4w46-vcfx-xvfg"],"status":"published","title":"The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre...","description":"The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00516,"percentile":0.44207,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2009-09-18T22:00:00Z","modified":"2026-06-16T23:10:13Z","exploits":[{"source":"exploitdb","id":"EDB-33229","title":"NetBSD 5.0.1 - 'IRET' General Protection Fault Handling Privilege Escalation","type":"local","platform":"bsd","date":"2009-09-16","verified":true,"url":"https://www.exploit-db.com/exploits/33229"}],"products":[{"vendor":"netbsd","product":"netbsd"}],"references":[{"url":"http://www.securityfocus.com/archive/1/506531/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2793"},{"url":"https://github.com/advisories/GHSA-4w46-vcfx-xvfg"}],"sources":{"cve":[{"id":"CVE-2009-2793","description":"The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.","status":"published","published":"2009-09-18T22:00:00Z","modified":"2024-08-07T06:07:35.917Z","updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-2783","description":"The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.","status":"published","published":"2009-09-18T22:00:00Z","modified":"2024-08-07T06:07:35Z","updated_at":"2026-11-03T01:39:15.952935Z"}],"ghsa":[{"id":"GHSA-4w46-vcfx-xvfg","title":"The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre...","description":"The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.","status":"published","published":"2022-05-02T03:38:49Z","modified":"2023-01-31T05:07:38Z","updated_at":"2026-11-02T14:49:15.080722Z"}],"nvd":[{"id":"CVE-2009-2793","description":"The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.","status":"published","published":"2009-09-18T22:30:00.53Z","modified":"2026-06-16T23:10:13.947Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:36.596719Z"}]}}