CVE-2020-11869

An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.3 LOW
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
VendorProductVersion
qemuqemu
4.0.1 ≤
𝑥
≤ 4.2.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qemu
bullseye
1:5.2+dfsg-11+deb11u3
fixed
buster
not-affected
stretch
not-affected
jessie
not-affected
bullseye (security)
1:5.2+dfsg-11+deb11u2
fixed
bookworm
1:7.2+dfsg-7+deb12u7
fixed
sid
1:9.1.1+ds-2
fixed
trixie
1:9.1.1+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qemu
focal
Fixed 1:4.2-3ubuntu6.1
released
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
qemu-kvm
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
dne
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2020/04/24/2
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7
https://usn.ubuntu.com/4372-1/
http://www.openwall.com/lists/oss-security/2020/04/24/2
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7
https://usn.ubuntu.com/4372-1/