Debian Security Bug TrackerDEBIANCVE:CVE-2018-7550CVE-2018-7550
8.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
31.6%
The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | qemu | < 1:2.12~rc3+dfsg-1 | qemu_1:2.12~rc3+dfsg-1_all.deb |
| Debian | 11 | all | qemu | < 1:2.12~rc3+dfsg-1 | qemu_1:2.12~rc3+dfsg-1_all.deb |
| Debian | 10 | all | qemu | < 1:2.12~rc3+dfsg-1 | qemu_1:2.12~rc3+dfsg-1_all.deb |
| Debian | 999 | all | qemu | < 1:2.12~rc3+dfsg-1 | qemu_1:2.12~rc3+dfsg-1_all.deb |
| Debian | 13 | all | qemu | < 1:2.12~rc3+dfsg-1 | qemu_1:2.12~rc3+dfsg-1_all.deb |
Related
8.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
31.6%