{"cve":"CVE-2009-2910","nvd":{"published":"2009-10-20T17:30:00.907","modified":"2026-06-16T23:10:29.090","status":"Modified","description":"arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6","http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html","http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html","http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html","http://lkml.org/lkml/2009/10/1/164"],"products":["canonical:ubuntu_linux","fedoraproject:fedora","linux:linux_kernel","opensuse:opensuse","redhat:enterprise_linux_desktop","redhat:enterprise_linux_eus","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation","redhat:virtualization","suse:linux_enterprise_debuginfo","suse:linux_enterprise_desktop","suse:linux_enterprise_server","suse:linux_enterprise_software_development_kit"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2910","score":0.00414,"percentile":0.35765,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}