Vulnerability CVE-2019-7221


Published: 2019-03-21

Description:
The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

Type:

CWE-416

(Use After Free)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Virtualization 
Redhat -> Openshift container platform 
Redhat -> Enterprise linux 
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux workstation 
Opensuse -> LEAP 
Netapp -> Active iq performance analytics services 
Netapp -> Element software management node 
Linux -> Linux kernel 
Fedoraproject -> Fedora 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html
http://www.openwall.com/lists/oss-security/2019/02/18/2
https://access.redhat.com/errata/RHBA-2019:0959
https://access.redhat.com/errata/RHSA-2019:0818
https://access.redhat.com/errata/RHSA-2019:0833
https://bugs.chromium.org/p/project-zero/issues/detail?id=1760
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f
https://github.com/torvalds/linux/commits/master/arch/x86/kvm
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/
https://security.netapp.com/advisory/ntap-20190404-0002/
https://support.f5.com/csp/article/K08413011
https://usn.ubuntu.com/3930-1/
https://usn.ubuntu.com/3930-2/
https://usn.ubuntu.com/3931-1/
https://usn.ubuntu.com/3931-2/
https://usn.ubuntu.com/3932-1/
https://usn.ubuntu.com/3932-2/

Copyright 2021, cxsecurity.com

 

Back to Top