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CVE-2018-19489

Published: 13 December 2018

v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.

Priority

Low

Cvss 3 Severity Score

4.7

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(1:3.1+dfsg-2ubuntu1)
hirsute Not vulnerable
(1:3.1+dfsg-2ubuntu1)
bionic
Released (1:2.11+dfsg-1ubuntu7.12)
cosmic
Released (1:2.12+dfsg-3ubuntu8.6)
disco Not vulnerable
(1:3.1+dfsg-2ubuntu1)
eoan Not vulnerable
(1:3.1+dfsg-2ubuntu1)
focal Not vulnerable
(1:3.1+dfsg-2ubuntu1)
trusty
Released (2.0.0+dfsg-2ubuntu1.45)
upstream Needs triage

xenial
Released (1:2.5+dfsg-5ubuntu10.36)
Patches:
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=1d20398694a3b67a388d955b7a945ba4aa90a8a8
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 4.7
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H