{"id":"CVE-2009-0787","aliases":["EUVD-2009-0785","GHSA-qj8r-wxmp-5mmr","RHSA-2009:0473"],"status":"published","title":"The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux...","description":"The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00389,"percentile":0.33251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189"],"published":"2009-03-25T01:00:00Z","modified":"2026-06-26T12:18:55Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-headers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-headers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-128.1.10.el5"}]}],"bundled":5}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://secunia.com/advisories/34422","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://osvdb.org/52860","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/49355","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/0802","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/37471","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securitytracker.com/id?1022177","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.vmware.com/security/advisories/VMSA-2009-0016.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=8faece5f906725c10e7a1f6caf84452abadbdc7b","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/34216","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/35015","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/507985/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8319","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11068","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2009-0473.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/3316","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0787","tags":["advisory"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8faece5f906725c10e7a1f6caf84452abadbdc7b"},{"url":"https://github.com/advisories/GHSA-qj8r-wxmp-5mmr"},{"url":"https://access.redhat.com/errata/RHSA-2009:0473","tags":["advisory"]},{"url":"http://www.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=491677","tags":["report"]},{"url":"http://kbase.redhat.com/faq/docs/DOC-16748","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=456282","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=487035","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=487990","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=488064","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=488928","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=488929","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=489459","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=489460","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=490434","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=491254","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=493356","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=493771","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=494074","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=494293","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=495635","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=495929","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=495931","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=496044","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=496842","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2009/rhsa-2009_0473.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-4307","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-4307","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-4307","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-0787","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-0787","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-0834","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-0834","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0834","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-1336","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-1336","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1336","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-1337","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-1337","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1337","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-0787","description":"The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.","status":"published","published":"2009-03-25T01:00:00Z","modified":"2024-08-07T04:48:52.006Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0785","description":"The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.","status":"published","published":"2009-03-25T01:00:00Z","modified":"2024-08-07T04:48:52Z","updated_at":"2026-11-03T01:39:24.312317Z"}],"ghsa":[{"id":"GHSA-qj8r-wxmp-5mmr","title":"The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux...","description":"The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.","status":"published","published":"2022-05-02T03:18:15Z","modified":"2023-02-13T03:30:42Z","updated_at":"2026-11-02T14:54:05.992759Z"}],"nvd":[{"id":"CVE-2009-0787","description":"The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.","status":"published","published":"2009-03-25T01:30:00.453Z","modified":"2026-06-16T23:05:48.773Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:34.44527Z"}],"osv":[{"id":"RHSA-2009:0473","title":"Red Hat Security Advisory: kernel security and bug fix update","status":"published","published":"2024-09-15T17:53:07Z","modified":"2026-06-26T12:18:55.97149785Z","updated_at":"2026-11-02T15:53:00.468834Z"}]}}