Ubuntu.comUB:CVE-2020-13791CVE-2020-13791
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.3 Medium
AI Score
Confidence
High
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
5.3%
hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an
out-of-bounds access by providing an address near the end of the PCI
configuration space.
Notes
| Author | Note |
|---|---|
| mdeslaur | as of 2023-11-30, the proposed fix has not been commited while the CVE description mentions hw/pci/pci.c, that is incorrect, the CVE is assigned to the hw/display/ati.c issue, the patch to hw/pci/pci.c is just a defense in depth fix. |
References
launchpad.net/bugs/cve/CVE-2020-13791
lists.gnu.org/archive/html/qemu-devel/2020-06/msg00706.html
lists.gnu.org/archive/html/qemu-devel/2020-06/msg00831.html
nvd.nist.gov/vuln/detail/CVE-2020-13791
security-tracker.debian.org/tracker/CVE-2020-13791
www.cve.org/CVERecord?id=CVE-2020-13791
www.openwall.com/lists/oss-security/2020/06/04/1
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.3 Medium
AI Score
Confidence
High
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
5.3%