CVE-2020-25743

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.

CVSS v3.0 3.2 LOW
CVSS v2.0 2.1 LOW

3.2^/10

CVSS v3.0 : LOW

Vector :

Exploitability : 1.5 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope CHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b	Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=1881409	Issue Tracking Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/09/29/1	Mailing List Patch Third Party Advisory
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:redhat:openstack_platform:13.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0::::-:::
	cpe:2.3:o:redhat:enterprise_linux:8.0::::advanced_virtualization:::

Information

Published : 2020-10-06 08:15

Updated : 2020-10-07 06:31

NVD link : CVE-2020-25743

Mitre link : CVE-2020-25743

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

redhat

openstack_platform
enterprise_linux

qemu

qemu

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