CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
28.1%
The Linux Kernel running on AMD64 systems will sometimes map the contents
of PIE executable, the heap or ld.so to where the stack is mapped allowing
attackers to more easily manipulate the stack. Linux Kernel version 4.11.5
is affected.
Author | Note |
---|---|
sbeattie | it’s unclear which of the stack clash patches addressed this issue, but it does seem to have been addressed in that patch set. |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 14.04 | noarch | linux | < 3.13.0-121.170 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-81.104 | UNKNOWN |
ubuntu | 17.04 | noarch | linux | < 4.10.0-24.28 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1020.29 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-gke | < 4.4.0-1016.16 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe | < 4.8.0-56.61~16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-hwe-edge | < 4.18.0-8.9~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe-edge | < 4.8.0-56.61~16.04.1 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-lts-xenial | < 4.4.0-81.104~14.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-raspi2 | < 4.4.0-1059.67 | UNKNOWN |
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
28.1%