{"id":"CVE-2004-0177","aliases":["BELL-CVE-2004-0177","DSA-479","DSA-480","DSA-481","DSA-482","DSA-489","DSA-491","DSA-495","EUVD-2004-0177","GHSA-qcgh-9mjq-vq4m","RHSA-2005:293"],"status":"published","title":"The ext3 code in Linux 2.4.x before 2.4.26 does not properly initialize journal descriptor blocks...","description":"The ext3 code in Linux 2.4.x before 2.4.26 does not properly initialize journal descriptor blocks, which causes an information leak in which in-memory data is written to the device for the ext3 file system, which allows privileged users to obtain portions of kernel memory by reading the raw device.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02603,"percentile":0.85469,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-04-14T00:00:00Z","modified":"2026-06-26T10:02:41Z","affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-source-2.4.18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-14.3"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.18-1-alpha","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-15"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.18-1-i386","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-13"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.18-i386bf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-5woody8"}]}],"versions":["2.4.18-5"],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-patch-2.4.18-powerpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-1woody5"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.17-hppa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32.4"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.18-hppa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"62.3"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.17-ia64","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"011226.17"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-source-2.4.17","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.17-1woody3"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-patch-2.4.17-apus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.17-5"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-patch-2.4.17-s390","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.17-2.woody.4"}]}],"versions":["0.0.20020816-0.woody.3","0.0.20020816-0.woody.4"],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.17-s390","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.17-2.woody.4"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-source-2.4.17","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.17-1woody3"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-patch-2.4.17-mips","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.17-0.020226.2.woody6"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-patch-2.4.17-mipsel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.17-0.020226.2.woody6"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-source-2.4.19","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.19-4.woody2"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-patch-2.4.19-mips","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.19-0.020911.1.woody4"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-source-2.4.16","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.16-1woody2"}]}],"bundled":6},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-patch-2.4.16-arm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20040419"}]}],"bundled":6},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.16-lart","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20040419"}]}],"bundled":6},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.16-netwinder","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20040419"}]}],"bundled":6},{"source":"osv","ecosystem":"Debian:3.0","package":"kernel-image-2.4.16-riscpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20040419"}]}],"bundled":6},{"source":"osv","ecosystem":"Red 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