Ubuntu.comUB:CVE-2018-7273CVE-2018-7273
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:C/I:N/A:N
0.002 Low
EPSS
Percentile
51.0%
In the Linux kernel through 4.15.4, the floppy driver reveals the addresses
of kernel functions and global variables using printk calls within the
function show_floppy in drivers/block/floppy.c. An attacker can read this
information from dmesg and use the addresses to find the locations of
kernel code and data and bypass kernel security protections such as KASLR.
Notes
| Author | Note |
|---|---|
| sbeattie | kaslr info leak in floppy block driver |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1013.13~16.04.2 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-gcp | < 4.15.0-1014.14~16.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-hwe | < 4.15.0-24.26~16.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-hwe-edge | < 4.15.0-24.26~16.04.1 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-snapdragon | < 4.15.0-1053.57 | UNKNOWN |
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:C/I:N/A:N
0.002 Low
EPSS
Percentile
51.0%