7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4 High
AI Score
Confidence
High
0.023 Low
EPSS
Percentile
89.8%
Issue Overview:
A heap buffer overflow issue was found in the load_device_tree() function of QEMU, which is invoked to load a device tree blob at boot time. It occurs due to device tree size manipulation before buffer allocation, which could overflow a signed int type. A user/process could use this flaw to potentially execute arbitrary code on a host system with privileges of the QEMU process. (CVE-2018-20815)
hw/sparc64/sun4u.c in QEMU 3.1.50 is vulnerable to a NULL pointer dereference, which allows the attacker to cause a denial of service via a device driver. (CVE-2019-5008)
Slirp: information leakage in tcp_emu() due to uninitialized stack variables (CVE-2019-9824)
qxl: null pointer dereference while releasing spice resources (CVE-2019-12155)
Affected Packages:
qemu
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update qemu to update your system.
New Packages:
aarch64:
qemu-3.1.0-7.amzn2.0.1.aarch64
qemu-common-3.1.0-7.amzn2.0.1.aarch64
qemu-guest-agent-3.1.0-7.amzn2.0.1.aarch64
qemu-img-3.1.0-7.amzn2.0.1.aarch64
ivshmem-tools-3.1.0-7.amzn2.0.1.aarch64
qemu-block-curl-3.1.0-7.amzn2.0.1.aarch64
qemu-block-dmg-3.1.0-7.amzn2.0.1.aarch64
qemu-block-iscsi-3.1.0-7.amzn2.0.1.aarch64
qemu-block-nfs-3.1.0-7.amzn2.0.1.aarch64
qemu-block-rbd-3.1.0-7.amzn2.0.1.aarch64
qemu-block-ssh-3.1.0-7.amzn2.0.1.aarch64
qemu-audio-alsa-3.1.0-7.amzn2.0.1.aarch64
qemu-audio-oss-3.1.0-7.amzn2.0.1.aarch64
qemu-audio-pa-3.1.0-7.amzn2.0.1.aarch64
qemu-audio-sdl-3.1.0-7.amzn2.0.1.aarch64
qemu-ui-curses-3.1.0-7.amzn2.0.1.aarch64
qemu-ui-gtk-3.1.0-7.amzn2.0.1.aarch64
qemu-ui-sdl-3.1.0-7.amzn2.0.1.aarch64
qemu-kvm-3.1.0-7.amzn2.0.1.aarch64
qemu-kvm-core-3.1.0-7.amzn2.0.1.aarch64
qemu-user-3.1.0-7.amzn2.0.1.aarch64
qemu-user-binfmt-3.1.0-7.amzn2.0.1.aarch64
qemu-user-static-3.1.0-7.amzn2.0.1.aarch64
qemu-system-aarch64-3.1.0-7.amzn2.0.1.aarch64
qemu-system-aarch64-core-3.1.0-7.amzn2.0.1.aarch64
qemu-system-x86-3.1.0-7.amzn2.0.1.aarch64
qemu-system-x86-core-3.1.0-7.amzn2.0.1.aarch64
qemu-debuginfo-3.1.0-7.amzn2.0.1.aarch64
i686:
qemu-3.1.0-7.amzn2.0.1.i686
qemu-common-3.1.0-7.amzn2.0.1.i686
qemu-guest-agent-3.1.0-7.amzn2.0.1.i686
qemu-img-3.1.0-7.amzn2.0.1.i686
ivshmem-tools-3.1.0-7.amzn2.0.1.i686
qemu-block-curl-3.1.0-7.amzn2.0.1.i686
qemu-block-dmg-3.1.0-7.amzn2.0.1.i686
qemu-block-iscsi-3.1.0-7.amzn2.0.1.i686
qemu-block-nfs-3.1.0-7.amzn2.0.1.i686
qemu-block-ssh-3.1.0-7.amzn2.0.1.i686
qemu-audio-alsa-3.1.0-7.amzn2.0.1.i686
qemu-audio-oss-3.1.0-7.amzn2.0.1.i686
qemu-audio-pa-3.1.0-7.amzn2.0.1.i686
qemu-audio-sdl-3.1.0-7.amzn2.0.1.i686
qemu-ui-curses-3.1.0-7.amzn2.0.1.i686
qemu-ui-gtk-3.1.0-7.amzn2.0.1.i686
qemu-ui-sdl-3.1.0-7.amzn2.0.1.i686
qemu-kvm-3.1.0-7.amzn2.0.1.i686
qemu-kvm-core-3.1.0-7.amzn2.0.1.i686
qemu-user-3.1.0-7.amzn2.0.1.i686
qemu-user-binfmt-3.1.0-7.amzn2.0.1.i686
qemu-user-static-3.1.0-7.amzn2.0.1.i686
qemu-system-aarch64-3.1.0-7.amzn2.0.1.i686
qemu-system-aarch64-core-3.1.0-7.amzn2.0.1.i686
qemu-system-x86-3.1.0-7.amzn2.0.1.i686
qemu-system-x86-core-3.1.0-7.amzn2.0.1.i686
qemu-debuginfo-3.1.0-7.amzn2.0.1.i686
src:
qemu-3.1.0-7.amzn2.0.1.src
x86_64:
qemu-3.1.0-7.amzn2.0.1.x86_64
qemu-common-3.1.0-7.amzn2.0.1.x86_64
qemu-guest-agent-3.1.0-7.amzn2.0.1.x86_64
qemu-img-3.1.0-7.amzn2.0.1.x86_64
ivshmem-tools-3.1.0-7.amzn2.0.1.x86_64
qemu-block-curl-3.1.0-7.amzn2.0.1.x86_64
qemu-block-dmg-3.1.0-7.amzn2.0.1.x86_64
qemu-block-iscsi-3.1.0-7.amzn2.0.1.x86_64
qemu-block-nfs-3.1.0-7.amzn2.0.1.x86_64
qemu-block-rbd-3.1.0-7.amzn2.0.1.x86_64
qemu-block-ssh-3.1.0-7.amzn2.0.1.x86_64
qemu-audio-alsa-3.1.0-7.amzn2.0.1.x86_64
qemu-audio-oss-3.1.0-7.amzn2.0.1.x86_64
qemu-audio-pa-3.1.0-7.amzn2.0.1.x86_64
qemu-audio-sdl-3.1.0-7.amzn2.0.1.x86_64
qemu-ui-curses-3.1.0-7.amzn2.0.1.x86_64
qemu-ui-gtk-3.1.0-7.amzn2.0.1.x86_64
qemu-ui-sdl-3.1.0-7.amzn2.0.1.x86_64
qemu-kvm-3.1.0-7.amzn2.0.1.x86_64
qemu-kvm-core-3.1.0-7.amzn2.0.1.x86_64
qemu-user-3.1.0-7.amzn2.0.1.x86_64
qemu-user-binfmt-3.1.0-7.amzn2.0.1.x86_64
qemu-user-static-3.1.0-7.amzn2.0.1.x86_64
qemu-system-aarch64-3.1.0-7.amzn2.0.1.x86_64
qemu-system-aarch64-core-3.1.0-7.amzn2.0.1.x86_64
qemu-system-x86-3.1.0-7.amzn2.0.1.x86_64
qemu-system-x86-core-3.1.0-7.amzn2.0.1.x86_64
qemu-debuginfo-3.1.0-7.amzn2.0.1.x86_64
Red Hat: CVE-2018-20815, CVE-2019-12155, CVE-2019-5008, CVE-2019-9824
Mitre: CVE-2018-20815, CVE-2019-12155, CVE-2019-5008, CVE-2019-9824
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | qemu | < 3.1.0-7.amzn2.0.1 | qemu-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-common | < 3.1.0-7.amzn2.0.1 | qemu-common-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-guest-agent | < 3.1.0-7.amzn2.0.1 | qemu-guest-agent-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-img | < 3.1.0-7.amzn2.0.1 | qemu-img-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | ivshmem-tools | < 3.1.0-7.amzn2.0.1 | ivshmem-tools-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-curl | < 3.1.0-7.amzn2.0.1 | qemu-block-curl-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-dmg | < 3.1.0-7.amzn2.0.1 | qemu-block-dmg-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-iscsi | < 3.1.0-7.amzn2.0.1 | qemu-block-iscsi-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-nfs | < 3.1.0-7.amzn2.0.1 | qemu-block-nfs-3.1.0-7.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-rbd | < 3.1.0-7.amzn2.0.1 | qemu-block-rbd-3.1.0-7.amzn2.0.1.aarch64.rpm |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4 High
AI Score
Confidence
High
0.023 Low
EPSS
Percentile
89.8%