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CVE-2020-13659

Published: 2 June 2020

address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.

Priority

Low

Cvss 3 Severity Score

2.5

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
bionic
Released (1:2.11+dfsg-1ubuntu7.31)
eoan Ignored
(end of life)
focal
Released (1:4.2-3ubuntu6.4)
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 Needs triage

xenial
Released (1:2.5+dfsg-5ubuntu10.45)
Patches:
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=77f55eac6c433e23e82a1b88b2d74f385c4c7d82
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 2.5
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L