Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-25742

pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer.

Published

2020-10-06T15:15:15.007

Last Modified

2024-11-21T05:18:38.020

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 3.2 (LOW)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	< 5.1.1	Yes

References

http://www.openwall.com/lists/oss-security/2020/09/29/1 Mailing List, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1883178 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html Mailing List, Patch, Third Party Advisory ([email protected])
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2020/09/29/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1883178 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)