CVE-2020-15469

2020-07-0200:00:00

ubuntu.com

2.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

13.1%

JSON

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback
methods, leading to a NULL pointer dereference.

Notes

Author	Note
mdeslaur	impact is limited, a privileged guest user can only use this issue to perform a denial of service to their own instance

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchqemu< 1:2.11+dfsg-1ubuntu7.37UNKNOWN
ubuntu20.04noarchqemu< 1:4.2-3ubuntu6.17UNKNOWN
ubuntu20.10noarchqemu< 1:5.0-5ubuntu9.9UNKNOWN
ubuntu21.04noarchqemu< 1:5.2+dfsg-9ubuntu3.1UNKNOWN
ubuntu21.10noarchqemu< 1:6.0+dfsg-1~ubuntu3UNKNOWN
ubuntu22.04noarchqemu< 1:6.0+dfsg-1~ubuntu3UNKNOWN
ubuntu22.10noarchqemu< 1:6.0+dfsg-1~ubuntu3UNKNOWN
ubuntu23.04noarchqemu< 1:6.0+dfsg-1~ubuntu3UNKNOWN
ubuntu23.10noarchqemu< 1:6.0+dfsg-1~ubuntu3UNKNOWN
ubuntu14.04noarchqemu< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	qemu	< 1:2.11+dfsg-1ubuntu7.37	UNKNOWN
ubuntu	20.04	noarch	qemu	< 1:4.2-3ubuntu6.17	UNKNOWN
ubuntu	20.10	noarch	qemu	< 1:5.0-5ubuntu9.9	UNKNOWN
ubuntu	21.04	noarch	qemu	< 1:5.2+dfsg-9ubuntu3.1	UNKNOWN
ubuntu	21.10	noarch	qemu	< 1:6.0+dfsg-1~ubuntu3	UNKNOWN
ubuntu	22.04	noarch	qemu	< 1:6.0+dfsg-1~ubuntu3	UNKNOWN
ubuntu	22.10	noarch	qemu	< 1:6.0+dfsg-1~ubuntu3	UNKNOWN
ubuntu	23.04	noarch	qemu	< 1:6.0+dfsg-1~ubuntu3	UNKNOWN
ubuntu	23.10	noarch	qemu	< 1:6.0+dfsg-1~ubuntu3	UNKNOWN
ubuntu	14.04	noarch	qemu	< any	UNKNOWN