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
6.3 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.0004 Low
EPSS
Percentile
5.3%
Kiyin (尹亮) discovered that the perf subsystem in the Linux kernel did
not properly deallocate memory in some situations. A privileged attacker
could use this to cause a denial of service (kernel memory exhaustion).
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 18.04 | noarch | linux-image-4.15.0-135-generic | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | kernel-signed-image-4.15.0-135-generic-di | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | linux-image-4.15.0-135-generic-dbgsym | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | linux-image-4.15.0-135-lowlatency | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | linux-image-4.15.0-135-lowlatency-dbgsym | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | linux-image-4.15.0-135-generic-lpae | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | block-modules-4.15.0-135-generic-di | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | crypto-modules-4.15.0-135-generic-di | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | fat-modules-4.15.0-135-generic-di | < 4.15.0-135.139 | UNKNOWN |
Ubuntu | 18.04 | noarch | fb-modules-4.15.0-135-generic-di | < 4.15.0-135.139 | UNKNOWN |
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
6.3 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.0004 Low
EPSS
Percentile
5.3%