Description
The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.
References (4)
Core 4
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2018/01/15/3
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/102520
Patch x_refsource_confirm
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=f153b563f8cf121aebf5a2fff5f0110faf58ccb3
Scores
CVSS v3
4.4
EPSS
0.0011
EPSS Percentile
28.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (2)
debian/debian_linux
8.0
qemu/qemu
< 2.8.1.1
Published
Jan 23, 2018
Tracked Since
Feb 18, 2026