{"id":"CVE-2003-0643","aliases":["DSA-358","DSA-358-1","EUVD-2003-0637","GHSA-mrpc-7q77-p54w"],"status":"published","title":"Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3...","description":"Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00375,"percentile":0.31715,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2003-07-25T04:00:00Z","modified":"2026-06-16T22:02:34Z","affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-source-2.4.18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-11"}]}],"bundled":10},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.18-1-i386","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-9"}]}],"bundled":10},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.18-i386bf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-5woody2"}]}],"versions":["2.4.18-5"],"bundled":10},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.18-1-alpha","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-8"}]}],"bundled":10}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://mirror.clarkson.edu/pub/distributions/gentoo-portage/sys-kernel/wolk-sources/ChangeLog","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://ftp.belnet.be/linux/gentoo-portage/sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0643.patch","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/23265","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.ultramonkey.org/bugs/cve/CAN-2003-0643.shtml","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.xerox.com/downloads/usa/en/c/cert_XRX06_004_v11.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://gentoo.kems.net/gentoo-x86-portage/sys-kernel/gentoo-sources/ChangeLog","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.ultramonkey.org/bugs/cve-patch/CAN-2003-0643.patch","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0643"},{"url":"https://github.com/advisories/GHSA-mrpc-7q77-p54w"}],"sources":{"cve":[{"id":"CVE-2003-0643","description":"Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).","status":"published","published":"2005-04-15T04:00:00Z","modified":"2024-08-08T01:58:11.193Z","updated_at":"2026-11-02T14:20:16.411288Z"}],"euvd":[{"id":"EUVD-2003-0637","description":"Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).","status":"published","published":"2005-04-15T04:00:00Z","modified":"2024-08-08T01:58:11Z","updated_at":"2026-11-03T01:15:06.435593Z"}],"ghsa":[{"id":"GHSA-mrpc-7q77-p54w","title":"Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3...","description":"Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).","status":"published","published":"2022-04-29T01:26:46Z","modified":"2023-01-30T05:01:26Z","updated_at":"2026-11-02T14:46:24.524248Z"}],"nvd":[{"id":"CVE-2003-0643","description":"Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).","status":"published","published":"2003-07-25T04:00:00Z","modified":"2026-06-16T22:02:34.567Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:46.710758Z"}],"osv":[{"id":"DSA-358","title":"linux-kernel-2.4.18 - several vulnerabilities","status":"withdrawn","published":"2003-07-31T00:00:00Z","modified":"2025-05-26T07:14:09.690963Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"DSA-358-1","title":"linux-kernel-2.4.18 - several vulnerabilities","status":"published","published":"2003-07-31T00:00:00Z","modified":"2026-03-09T01:23:20.555745Z","updated_at":"2026-11-02T15:46:16.199525Z"}]}}