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
14.2%
The Linux kernel 4.9.x before 4.9.233, 4.14.x before 4.14.194, and 4.19.x
before 4.19.140 has a use-after-free because skcd->no_refcnt was not
considered during a backport of a CVE-2020-14356 patch. This is related to
the cgroups feature.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | <Β 4.15.0-118.119 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | <Β 4.15.0-1083.87 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | <Β 4.15.0-1083.87~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | <Β 4.15.0-1096.106~16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-4.15 | <Β 4.15.0-1096.106 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-gcp | <Β 4.15.0-1084.95~16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-gcp-4.15 | <Β 4.15.0-1084.95 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-gke-4.15 | <Β 4.15.0-1070.73 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe | <Β 4.15.0-118.119~16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-kvm | <Β 4.15.0-1075.76 | UNKNOWN |
bugzilla.redhat.com/show_bug.cgi?id=1868453
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.194
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.140
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.233
git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.14.y&id=82fd2138a5ffd7e0d4320cdb669e115ee976a26e
launchpad.net/bugs/cve/CVE-2020-25220
nvd.nist.gov/vuln/detail/CVE-2020-25220
security-tracker.debian.org/tracker/CVE-2020-25220
www.cve.org/CVERecord?id=CVE-2020-25220
www.spinics.net/lists/stable/msg405099.html
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
14.2%