4.9

CVE-2009-2287

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.0 < 2.6.30
Canonical ≫ Ubuntu Linux Version6.06
Canonical ≫ Ubuntu Linux Version8.04
Canonical ≫ Ubuntu Linux Version8.10
Canonical ≫ Ubuntu Linux Version9.04
Debian ≫ Debian Linux Version4.0
Debian ≫ Debian Linux Version5.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.314
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.9 3.9 6.9
AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

http://secunia.com/advisories/36045
Broken Link
http://www.ubuntu.com/usn/usn-807-1
Third Party Advisory
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
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=59839dfff5eabca01cc4e20b45797a60a80af8cb
http://secunia.com/advisories/35675
Broken Link
http://secunia.com/advisories/36054
Broken Link
http://sourceforge.net/tracker/?func=detail&atid=893831&aid=2687641&group_id=180599
Third Party Advisory
http://www.debian.org/security/2009/dsa-1845
Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
Broken Link
http://www.openwall.com/lists/oss-security/2009/06/30/1
Patch
Third Party Advisory
Mailing List