CVE-2019-7221high
Description
The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.
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://access.redhat.com/errata/RHSA-2019:3967
https://access.redhat.com/errata/RHSA-2019:4058
https://bugs.chromium.org/p/project-zero/issues/detail?id=1760
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://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/
Details
Source: MITRE
Published: 2019-03-21
Updated: 2020-10-15
Type: CWE-416
Risk Information
CVSS v2
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
CVSS v3
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH