Description
In QEMU 1:4.1-1, 1:2.1+dfsg-12+deb8u6, 1:2.8+dfsg-6+deb9u8, 1:3.1+dfsg-8~deb10u1, 1:3.1+dfsg-8+deb10u2, and 1:2.1+dfsg-12+deb8u12 (fixed), when executing script in lsi_execute_script(), the LSI scsi adapter emulator advances 's->dsp' index to read next opcode. This can lead to an infinite loop if the next opcode is empty. Move the existing loop exit after 10k iterations so that it covers no-op opcodes as well.
References (10)
Core 10
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01518.html
Patch x_refsource_misc
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=de594e47659029316bbf9391efb79da0a1a08e08
Third Party Advisory x_refsource_misc
https://security-tracker.debian.org/tracker/CVE-2019-12068
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4191-2/
Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html
Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00038.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4191-1/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4665
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
Scores
CVSS v3
3.8
EPSS
0.0009
EPSS Percentile
24.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Details
CWE
CWE-835
Status
published
Products (8)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.04
canonical/ubuntu_linux
19.10
opensuse/leap
15.0
opensuse/leap
15.1
qemu/qemu
1\ 4.1-1 (5 CPE variants)
Published
Sep 24, 2019
Tracked Since
Feb 18, 2026