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ubuntucveUbuntu.comUB:CVE-2019-7221
HistoryMar 21, 2019 - 12:00 a.m.

CVE-2019-7221

2019-03-2100:00:00
ubuntu.com
ubuntu.com
26

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

46.7%

JSON

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

Bugs

Notes

Author Note
tyhicks Ubuntu kernels do not enable nested KVM virtualization by default and are unaffected by this flaw in the default configuration. However, installing QEMU results in nested KVM support to be enabled via the /etc/modprobe.d/qemu-system-x86.conf file. To ensure that nested virtualization is not enabled, verify that the /sys/module/kvm_intel/parameters/nested file contains “N”.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-47.50UNKNOWN
ubuntu18.10noarchlinux< 4.18.0-17.18UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-145.171UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1035.37UNKNOWN
ubuntu18.10noarchlinux-aws< 4.18.0-1012.14UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1040.43UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1079.89UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1035.37~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 4.18.0-1014.14~18.04.1UNKNOWN
ubuntu18.10noarchlinux-azure< 4.18.0-1014.14UNKNOWN
Rows per page:
1-10 of 351

Related

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photon 7
centos 1
amazon 2
fedora 34
ibm 1
suse 2
mageia 3
cloudfoundry 2
ubuntu 6
debian 3
slackware 1
prion
prion
Double free
2019-03-21 16:01:00
osv
osv
CVE-2019-7221
2019-03-21 16:01:10
linux-4.9 - security update
2019-04-29 00:00:00
linux - security update
2019-03-26 00:00:00
veracode
veracode
User-After-Free
2019-05-16 03:59:55
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2019-03-21 16:01:00
redhatcve
redhatcve
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2019-02-07 18:50:31
debiancve
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2019-03-21 16:01:00
nessus
nessus
EulerOS Virtualization 2.5.3 : kvm (EulerOS-SA-2019-1370)
2019-05-10 00:00:00
RHEL 7 : kernel (RHSA-2019:0818)
2019-04-24 00:00:00
Scientific Linux Security Update : kernel on SL7.x x86_64 (20190423)
2019-04-25 00:00:00
f5
f5
K08413011 : Linux kernel vulnerability CVE-2019-7221
2019-06-14 00:00:00
openvas
openvas
Huawei EulerOS: Security Advisory for kvm (EulerOS-SA-2019-1370)
2020-01-23 00:00:00
CentOS Update for kernel CESA-2019:0818 centos7
2019-05-01 00:00:00
SUSE: Security Advisory (SUSE-SU-2019:0645-1)
2021-04-19 00:00:00
virtuozzo
virtuozzo
Important kernel security update: Virtuozzo ReadyKernel patch 80.0 for Virtuozzo 7.0.7 to 7.0.8
2019-06-03 00:00:00
Important kernel security update: Virtuozzo ReadyKernel patch 80.0 for Virtuozzo 7.0 Update 9 and Virtuozzo Infrastructure Platform 2.5
2019-05-30 00:00:00
Important kernel security update: Virtuozzo ReadyKernel patch 80.0 for Virtuozzo 7.0.6 and 7.0.6 HF3
2019-06-03 00:00:00
redhat
redhat
(RHSA-2019:0818) Important: kernel security and bug fix update
2019-04-23 12:36:39
(RHSA-2019:0833) Important: kernel-rt security and bug fix update
2019-04-23 12:42:49
(RHSA-2019:4058) Important: kernel security and bug fix update
2019-12-03 07:55:47
oraclelinux
oraclelinux
kernel security and bug fix update
2019-04-23 00:00:00
Unbreakable Enterprise kernel security update
2019-04-12 00:00:00
Unbreakable Enterprise kernel security update
2020-10-06 00:00:00
photon
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Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-1.0-0221
2019-04-01 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-2.0-0142
2019-03-19 00:00:00
Critical Photon OS Security Update - PHSA-2019-0221
2019-04-01 00:00:00
centos
centos
bpftool, kernel, perf, python security update
2019-04-30 12:00:45
amazon
amazon
Important: kernel
2019-03-07 18:24:00
Important: kernel
2019-02-26 18:55:00
fedora
fedora
[SECURITY] Fedora 28 Update: kernel-tools-4.20.8-100.fc28
2019-02-16 01:25:12
[SECURITY] Fedora 29 Update: kernel-headers-4.20.8-200.fc29
2019-02-16 01:58:04
[SECURITY] Fedora 29 Update: kernel-tools-4.20.8-200.fc29
2019-02-16 01:58:04
ibm
ibm
Security Bulletin: IBM QRadar Network Security is affected by Linux kernel vulnerabilities (CVE-2019-7221, CVE-2019-6974, CVE-2018-17972, CVE-2018-9568)
2019-06-27 08:45:01
suse
suse
Security update for the Linux Kernel (important)
2019-03-01 00:00:00
Security update for the Linux Kernel (important)
2019-02-18 00:00:00
mageia
mageia
Updated kernel packages fix security vulnerabilities
2019-02-21 02:50:36
Updated kernel-linus packages fix security vulnerabilities
2019-02-21 02:50:36
Updated kernel-tmb packages fixes security vulnerabilities
2019-05-16 11:25:22
cloudfoundry
cloudfoundry
USN-3931-2: Linux kernel (HWE) vulnerabilities | Cloud Foundry
2019-04-12 00:00:00
USN-3932-2: Linux kernel (Xenial HWE) vulnerabilities | Cloud Foundry
2019-04-12 00:00:00
ubuntu
ubuntu
Linux kernel vulnerabilities
2019-04-02 00:00:00
Linux kernel (HWE) vulnerabilities
2019-04-02 00:00:00
Linux kernel vulnerabilities
2019-04-02 00:00:00
debian
debian
[SECURITY] [DLA 1771-1] linux-4.9 security update
2019-05-03 10:07:46
[SECURITY] [DLA 1731-2] linux regression update
2019-04-01 18:39:17
[SECURITY] [DLA 1731-1] linux security update
2019-03-27 16:39:16
slackware
slackware
[slackware-security] kernel
2019-06-18 22:33:08

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

46.7%

JSON
Related for UB:CVE-2019-7221
prion1osv3veracode1cve1redhatcve1debiancve1nessus50f51openvas67virtuozzo3redhat4oraclelinux3photon7centos1amazon2fedora34ibm1suse2mageia3cloudfoundry2ubuntu6debian3slackware1