5.6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
5.9 Medium
AI Score
Confidence
High
4.7 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:C/I:N/A:N
0.001 Low
EPSS
Percentile
21.4%
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
CPE | Name | Operator | Version |
---|---|---|---|
ubuntu_linux | eq | 16.04 | |
ubuntu_linux | eq | 14.04 | |
ubuntu_linux | eq | 18.04 | |
ubuntu_linux | eq | 18.10 | |
linux_kernel | lt | 4.19.19 | |
linux_kernel | ge | 4.20.0 | |
linux_kernel | lt | 4.20.6 | |
leap | eq | 15.0 |
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdeda
lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
www.securityfocus.com/bid/106827
bugs.chromium.org/p/project-zero/issues/detail?id=1711
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.6
github.com/torvalds/linux/commit/979d63d50c0c0f7bc537bf821e056cc9fe5abd38
github.com/torvalds/linux/commit/d3bd7413e0ca40b60cf60d4003246d067cafdeda
support.f5.com/csp/article/K43030517
support.f5.com/csp/article/K43030517?utm_source=f5support&utm_medium=RSS
usn.ubuntu.com/3930-1/
usn.ubuntu.com/3930-2/
usn.ubuntu.com/3931-1/
usn.ubuntu.com/3931-2/
5.6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
5.9 Medium
AI Score
Confidence
High
4.7 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:C/I:N/A:N
0.001 Low
EPSS
Percentile
21.4%