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CVE-2018-10839

Published: 16 October 2018

Qemu emulator <= 3.0.0 built with the NE2000 NIC emulation support is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
bionic
Released (1:2.11+dfsg-1ubuntu7.8)
cosmic
Released (1:2.12+dfsg-3ubuntu8.1)
disco
Released (1:2.12+dfsg-3ubuntu9)
eoan
Released (1:2.12+dfsg-3ubuntu9)
focal
Released (1:2.12+dfsg-3ubuntu9)
groovy
Released (1:2.12+dfsg-3ubuntu9)
hirsute
Released (1:2.12+dfsg-3ubuntu9)
trusty
Released (2.0.0+dfsg-2ubuntu1.44)
upstream Needs triage

xenial
Released (1:2.5+dfsg-5ubuntu10.33)
Patches:
other: https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03273.html
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=fdc89e90fac40c5ca2686733df17b6423fb8d8fb
qemu-kvm
Launchpad, Ubuntu, Debian
groovy Does not exist

hirsute Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H