CVE-2019-7221

moderate-risk
Published 2019-03-21

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

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (19)

Active Iq Performance Analytics Services

Affected Vendors

Debian Redhat Linux Canonical Fedoraproject Netapp Opensuse

References (48)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
Third Party Advisory http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-F...
Mailing List http://www.openwall.com/lists/oss-security/2019/02/18/2
Third Party Advisory https://access.redhat.com/errata/RHBA-2019:0959
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0818
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0833
https://access.redhat.com/errata/RHSA-2019:3967
https://access.redhat.com/errata/RHSA-2019:4058
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1760
Mailing List https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec...
Third Party Advisory https://github.com/torvalds/linux/commits/master/arch/x86/kvm
Mailing List https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
Mailing List https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
Mailing List https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.netapp.com/advisory/ntap-20190404-0002/
https://support.f5.com/csp/article/K08413011
Third Party Advisory https://usn.ubuntu.com/3930-1/
Third Party Advisory https://usn.ubuntu.com/3930-2/
and 28 more references
43
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 19/34 · Moderate