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ubuntuUbuntuUSN-4511-1
HistorySep 17, 2020 - 12:00 a.m.

QEMU vulnerability

2020-09-1700:00:00
ubuntu.com
67

5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L

6.8 Medium

AI Score

Confidence

High

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.0005 Low

EPSS

Percentile

15.9%

JSON

Releases

  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • qemu - Machine emulator and virtualizer

Details

Ziming Zhang, Xiao Wei, Gonglei Arei, and Yanyu Zhang discovered that QEMU
incorrectly handled certain USB packets. An attacker inside the guest could
use this issue to cause QEMU to crash, resulting in a denial of service, or
possibly execute arbitrary code on the host. In the default installation,
when QEMU is used with libvirt, attackers would be isolated by the libvirt
AppArmor profile.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchqemu< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-block-extra< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-block-extra-dbgsym< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-guest-agent< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-guest-agent-dbgsym< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-kvm< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-system< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-system-arm< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-system-arm-dbgsym< 1:4.2-3ubuntu6.6UNKNOWN
Ubuntu20.04noarchqemu-system-common< 1:4.2-3ubuntu6.6UNKNOWN
Rows per page:
1-10 of 971

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RHEL 7 : qemu-kvm (RHSA-2020:4048)
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5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L

6.8 Medium

AI Score

Confidence

High

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.0005 Low

EPSS

Percentile

15.9%

JSON
Related for USN-4511-1
oraclelinux4nessus82redhat22alpinelinux1cve1fedora2osv7huawei1xen1redhatcve1prion1gentoo2centos2veracode1f51ibm1ubuntucve1debiancve1cbl_mariner1almalinux1rocky1citrix1amazon2debian2suse3archlinux1ubuntu1