{"id":"CVE-2009-2287","aliases":["BELL-CVE-2009-2287","DEBIAN-CVE-2009-2287","DSA-1845-1","DSA-1846-1","EUVD-2009-2283","GHSA-76p8-35jq-5x43"],"status":"published","title":"The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when...","description":"The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00398,"percentile":0.34273,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2009-06-28T00:00:00Z","modified":"2026-06-16T23:09:08Z","fixes":[{"ecosystem":"Debian:5.0","package":"kvm","fixed_in":["72+dfsg-5~lenny2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:5.0","package":"linux-2.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.26-17lenny1"}]}],"versions":["2.6.26-13","2.6.26-13lenny2","2.6.26-13lenny2~bpo40+1","2.6.26-14","2.6.26-15","2.6.26-15lenny1","2.6.26-15lenny2","2.6.26-15lenny3","2.6.26-15~bpo40+1","2.6.26-15~bpo40+2","2.6.26-16","2.6.26-17","2.6.26-17~bpo40+1"],"bundled":4},{"source":"osv","ecosystem":"Debian:5.0","package":"kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"72+dfsg-5~lenny2"}]}],"versions":["72+dfsg-4","72+dfsg-5~lenny1"]}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://secunia.com/advisories/35675","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:198","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","Broken Link"]},{"url":"http://www.ubuntu.com/usn/usn-807-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=59839dfff5eabca01cc4e20b45797a60a80af8cb","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://sourceforge.net/tracker/?func=detail\u0026atid=893831\u0026aid=2687641\u0026group_id=180599","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"http://secunia.com/advisories/36045","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://secunia.com/advisories/36054","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://www.debian.org/security/2009/dsa-1845","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2009/06/30/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git%3Ba=blob%3Bf=queue-2.6.30/kvm-x86-check-for-cr3-validity-in-ioctl_set_sregs.patch%3Bh=b48a47dad2cf76358b327368f80c0805e6370c68%3Bhb=e7c45b24f298b5d9efd7d401150f64a1b51aaac4","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2287"},{"url":"http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git;a=blob;f=queue-2.6.30/kvm-x86-check-for-cr3-validity-in-ioctl_set_sregs.patch;h=b48a47dad2cf76358b327368f80c0805e6370c68;hb=e7c45b24f298b5d9efd7d401150f64a1b51aaac4"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=59839dfff5eabca01cc4e20b45797a60a80af8cb"},{"url":"https://github.com/advisories/GHSA-76p8-35jq-5x43"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2009-2287","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-2287","description":"The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.","status":"published","published":"2009-07-01T12:26:00Z","modified":"2024-08-07T05:44:55.594Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2283","description":"The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.","status":"published","published":"2009-07-01T12:26:00Z","modified":"2024-08-07T05:44:55Z","updated_at":"2026-11-03T01:39:17.970369Z"}],"ghsa":[{"id":"GHSA-76p8-35jq-5x43","title":"The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when...","description":"The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.","status":"published","published":"2022-05-02T03:33:35Z","modified":"2025-04-09T04:12:31Z","cwes":["CWE-476"],"updated_at":"2026-11-02T15:01:00.53445Z"}],"nvd":[{"id":"CVE-2009-2287","description":"The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.","status":"published","published":"2009-07-01T13:00:01.813Z","modified":"2026-06-16T23:09:08.467Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:01:35.733785Z"}],"osv":[{"id":"BELL-CVE-2009-2287","title":"CVE-2009-2287 does not affect BellSoft software","status":"withdrawn","published":"2009-07-01T13:00:00Z","modified":"2026-01-28T07:22:10.305886Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"DSA-1845-1","title":"linux-2.6 - several vulnerabilities","status":"published","published":"2009-06-28T00:00:00Z","modified":"2026-03-09T01:18:23.67006Z","updated_at":"2026-11-02T15:46:14.734124Z"},{"id":"DSA-1846-1","title":"kvm - denial of service","status":"published","published":"2009-07-28T00:00:00Z","modified":"2026-03-09T01:19:34.234646Z","updated_at":"2026-11-02T15:46:14.734124Z"}]}}