{"id":"CVE-2007-0257","aliases":["EUVD-2007-0259","GHSA-fg9q-hp23-pjjp"],"status":"disputed","title":"** DISPUTED **  Unspecified vulnerability in the expand_stack function in grsecurity PaX allows...","description":"Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that \"the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities.\"  The developer also cites a past disclosure that was not proven.  As of 20070120, the original researcher has released demonstration code","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":"2026-11-12","score":0.01021,"percentile":0.63886,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2007-01-16T23:00:00Z","modified":"2026-06-16T22:35:13Z","exploits":[{"source":"exploitdb","id":"EDB-29446","title":"Grsecurity Kernel PaX - Local Privilege Escalation","type":"local","platform":"linux","date":"2006-12-18","verified":true,"url":"https://www.exploit-db.com/exploits/29446"}],"products":[{"vendor":"grsecurity","product":"grsecurity_kernel_patch"}],"references":[{"url":"http://securitytracker.com/id?1017509","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.digitalarmaments.com/pre2007-00018659.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","URL Repurposed"]},{"url":"http://www.securityfocus.com/archive/1/456626/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/456722/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/462302/100/100/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.digitalarmaments.com/news_news.shtml","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","URL Repurposed"]},{"url":"http://grsecurity.net/news.php#digitalfud","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/23713","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/22014","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://forums.grsecurity.net/viewtopic.php?t=1646","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/457509/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/0155","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://osvdb.org/32727","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-0257"},{"url":"https://github.com/advisories/GHSA-fg9q-hp23-pjjp"}],"sources":{"cve":[{"id":"CVE-2007-0257","description":"Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that \"the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities.\"  The developer also cites a past disclosure that was not proven.  As of 20070120, the original researcher has released demonstration code","status":"disputed","published":"2007-01-16T23:00:00Z","modified":"2025-01-17T14:11:44.912Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T13:34:15.046008Z"}],"euvd":[{"id":"EUVD-2007-0259","description":"Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that \"the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities.\"  The developer also cites a past disclosure that was not proven.  As of 20070120, the original researcher has released demonstration code","status":"published","published":"2007-01-16T23:00:00Z","modified":"2025-01-17T14:11:44Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:17.068749Z"}],"ghsa":[{"id":"GHSA-fg9q-hp23-pjjp","title":"** DISPUTED **  Unspecified vulnerability in the expand_stack function in grsecurity PaX allows...","description":"** DISPUTED **  Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that \"the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities.\"  The developer also cites a past disclosure that was not proven.  As of 20070120, the original researcher has released demonstration code.","status":"published","published":"2022-05-01T17:42:47Z","modified":"2025-01-17T15:33:34Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:59:35.754921Z"}],"nvd":[{"id":"CVE-2007-0257","description":"Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that \"the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities.\"  The developer also cites a past disclosure that was not proven.  As of 20070120, the original researcher has released demonstration code","status":"disputed","published":"2007-01-16T23:28:00Z","modified":"2026-06-16T22:35:13.633Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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":"2026-11-02T14:01:11.752648Z"}]}}