Vulnerability Description
The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.
CVSS Score
7.8
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.20.5 |
| Opensuse | Leap | 15.0 |
| Fedoraproject | Fedora | 28 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Netapp | Active Iq Performance Analytics Services | - |
| Netapp | Element Software Management Node | - |
| Redhat | Openshift Container Platform | 3.11 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-FThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2019/02/18/2Mailing ListPatchThird Party Advisory
- https://access.redhat.com/errata/RHBA-2019:0959Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0818Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0833Third Party Advisory
- 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=1760ExploitPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecMailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commits/master/arch/x86/kvmThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-7221?
CVE-2019-7221 is a vulnerability with a CVSS score of 7.8 (HIGH). The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.
How severe is CVE-2019-7221?
CVE-2019-7221 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-7221?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Opensuse Leap, Fedoraproject Fedora, Debian Debian Linux, Canonical Ubuntu Linux.