CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
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
5.1%
Use-after-free vulnerability in the Linux kernel exploitable by a local
attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid
object as a listener after being released. Fixed in Ubuntu Linux kernel
5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and
3.2.0-149.196.
Author | Note |
---|---|
sbeattie | patch applied to the ubuntu-kernels was NACKed by upstream. The subsequent revision submitted upstream still needs rework and has not been accepted as of 2021-01-13. |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | <Â 4.15.0-121.123 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | <Â 5.4.0-51.56 | UNKNOWN |
ubuntu | 14.04 | noarch | linux | <Â 3.13.0-182.233 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | <Â 4.4.0-193.224 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | <Â 4.15.0-1086.91 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | <Â 5.4.0-1028.29 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | <Â 4.4.0-1081.85 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | <Â 4.4.0-1117.131 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | <Â 5.4.0-1028.29~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | <Â 4.15.0-1085.90~16.04.1 | UNKNOWN |
git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695
launchpad.net/bugs/cve/CVE-2020-16119
lore.kernel.org/netdev/[email protected]/T/
nvd.nist.gov/vuln/detail/CVE-2020-16119
security-tracker.debian.org/tracker/CVE-2020-16119
ubuntu.com/security/notices/USN-4576-1
ubuntu.com/security/notices/USN-4577-1
ubuntu.com/security/notices/USN-4578-1
ubuntu.com/security/notices/USN-4579-1
ubuntu.com/security/notices/USN-4580-1
www.cve.org/CVERecord?id=CVE-2020-16119
www.openwall.com/lists/oss-security/2020/10/13/7
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
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
5.1%