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CVE-2020-13362

Published: 28 May 2020

In QEMU 5.0.0 and earlier, megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_queue_head field from a guest OS user.

Priority

Low

Cvss 3 Severity Score

3.2

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
focal
Released (1:4.2-3ubuntu6.4)
bionic
Released (1:2.11+dfsg-1ubuntu7.31)
xenial
Released (1:2.5+dfsg-5ubuntu10.45)
eoan Ignored
(end of life)
groovy Not vulnerable
(1:5.0-5ubuntu4)
hirsute Not vulnerable
(1:5.0-5ubuntu4)
trusty
Released (2.0.0+dfsg-2ubuntu1.47+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needed

Patches:
upstream: https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg03463.html
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=f50ab86a2620bd7e8507af865b164655ee921661
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=fd6918556736ecce8b10acd581ba134ffb62d9f9
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=2b151297e44655e45c18f57ae0232780ee4ad45a
qemu-kvm
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 3.2
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L