{"id":"CVE-2005-3783","aliases":["BELL-CVE-2005-3783","DSA-1017-1","DSA-1018-1","EUVD-2005-3778","GHSA-mm4x-g8fm-x6cg"],"status":"published","title":"The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does...","description":"The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00433,"percentile":0.37811,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-11-23T21:00:00Z","modified":"2026-06-16T22:17:37Z","affected":[{"source":"osv","ecosystem":"Debian:3.1","package":"kernel-source-2.6.8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.8-16sarge2"}]}],"versions":["2.6.8-16","2.6.8-16sarge1"],"bundled":30},{"source":"osv","ecosystem":"Debian:3.1","package":"kernel-source-2.4.27","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.27-10sarge2"}]}],"versions":["2.4.27-10","2.4.27-10sarge1"],"bundled":16}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://secunia.com/advisories/17917","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=blobdiff%3Bh=fcfc4568b45f3f190ba320b0d5853836921cb8bc%3Bhp=019e04ec065a55d8f28157d3a1f7ba06cafd347f%3Bhb=082d52c56f642d21b771a13221068d40915a1409%3Bf=kernel/ptrace.c","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/advisories/9806","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://secunia.com/advisories/19369","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/18203","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.debian.org/security/2006/dsa-1018","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://secunia.com/advisories/19607","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/419522/100/0/threaded","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=commit%3Bh=082d52c56f642d21b771a13221068d40915a1409","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/17761","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U","tags":["vendor-advisory","x_refsource_SGI","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2006:018","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2006:072","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://secunia.com/advisories/17918","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.debian.org/security/2006/dsa-1017","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/15642","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/19374","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://usn.ubuntu.com/231-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://secunia.com/advisories/17787","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-3783"},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git;a=blobdiff;h=fcfc4568b45f3f190ba320b0d5853836921cb8bc;hp=019e04ec065a55d8f28157d3a1f7ba06cafd347f;hb=082d52c56f642d21b771a13221068d40915a1409;f=kernel/ptrace.c"},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git;a=commit;h=082d52c56f642d21b771a13221068d40915a1409"},{"url":"https://github.com/advisories/GHSA-mm4x-g8fm-x6cg"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2005-3783","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-3783","description":"The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).","status":"published","published":"2005-11-23T21:00:00Z","modified":"2024-08-07T23:24:36.297Z","updated_at":"2026-11-02T14:33:38.550354Z"}],"euvd":[{"id":"EUVD-2005-3778","description":"The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).","status":"published","published":"2005-11-23T21:00:00Z","modified":"2024-08-07T23:24:36Z","updated_at":"2026-11-03T01:15:25.261993Z"}],"ghsa":[{"id":"GHSA-mm4x-g8fm-x6cg","title":"The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does...","description":"The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).","status":"published","published":"2022-05-03T03:14:35Z","modified":"2023-02-01T05:01:15Z","updated_at":"2026-11-02T14:49:41.640503Z"}],"nvd":[{"id":"CVE-2005-3783","description":"The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).","status":"published","published":"2005-11-23T21:03:00Z","modified":"2026-06-16T22:17:37.047Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:57.365803Z"}],"osv":[{"id":"BELL-CVE-2005-3783","title":"CVE-2005-3783 does not affect BellSoft software","status":"withdrawn","published":"2005-11-23T21:03:00Z","modified":"2026-01-28T07:19:38.997998Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"DSA-1017-1","title":"kernel-source-2.6.8 - several","status":"published","published":"2006-03-23T00:00:00Z","modified":"2026-03-09T01:01:33.976266Z","updated_at":"2026-11-02T15:46:13.900249Z"},{"id":"DSA-1018-1","title":"kernel-source-2.4.27 - several","status":"published","published":"2006-03-24T00:00:00Z","modified":"2026-03-09T01:01:02.290914Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}