{"id":"CVE-2006-2445","aliases":["BELL-CVE-2006-2445","EUVD-2006-2446","GHSA-3wq3-fv46-cvpq"],"status":"published","title":"Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to...","description":"Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting.","severity":{"version":"2.0","score":4,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00376,"percentile":0.31817,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-06-23T10:00:00Z","modified":"2026-06-16T22:25:01Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://secunia.com/advisories/20703","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2006/2451","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.novell.com/linux/security/advisories/2006_42_kernel.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/438168/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.osvdb.org/26947","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/27380","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2006:123","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2006:151","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://marc.info/?l=linux-kernel\u0026m=115015841413687","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.trustix.org/errata/2006/0037","tags":["vendor-advisory","x_refsource_TRUSTIX","x_transferred"]},{"url":"http://www.ubuntu.com/usn/usn-311-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.21","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/18615","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30f1e3dd8c72abda343bcf415f7d8894a02b4290","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/20831","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/21045","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/20991","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/21179","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-2445"},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=30f1e3dd8c72abda343bcf415f7d8894a02b4290"},{"url":"https://github.com/advisories/GHSA-3wq3-fv46-cvpq"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2006-2445","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2006-2445","description":"Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting.","status":"published","published":"2006-06-23T10:00:00Z","modified":"2024-08-07T17:51:04.659Z","updated_at":"2026-11-02T14:33:49.265317Z"}],"euvd":[{"id":"EUVD-2006-2446","description":"Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting.","status":"published","published":"2006-06-23T10:00:00Z","modified":"2024-08-07T17:51:04Z","updated_at":"2026-11-03T01:16:01.004094Z"}],"ghsa":[{"id":"GHSA-3wq3-fv46-cvpq","title":"Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to...","description":"Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting.","status":"published","published":"2022-05-01T06:59:14Z","modified":"2025-04-03T04:35:12Z","updated_at":"2026-11-02T15:00:46.038216Z"}],"nvd":[{"id":"CVE-2006-2445","description":"Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting.","status":"published","published":"2006-06-23T10:02:00Z","modified":"2026-06-16T22:25:01.563Z","cvss":[{"version":"2.0","score":4,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:04.288594Z"}],"osv":[{"id":"BELL-CVE-2006-2445","title":"CVE-2006-2445 does not affect BellSoft software","status":"withdrawn","published":"2006-06-23T10:02:00Z","modified":"2026-01-28T07:21:46.816494Z","cvss":[{"version":"2.0","score":4,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"}]}}