High severity · published Mar 17, 2019
CVE-2019-7221
The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free
7.8
CVSS
0.8%
EPSS
No
On KEV
Description
The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
through 4.20.5 · source: NVD
AI
Active IQ Performance Analytics Services · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
8.0 · source: NVD
ES
Element Software Management Node · Netapp
All versions, or not specified · source: NVD
EL
Enterprise Linux · Redhat
7.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
FE
Fedora · Fedoraproject
28; 29 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-7221
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-7221
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-Free.html
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
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