CVE-2020-25673
Vulnerability Summary
Timeline
Description
A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock_connect() leads to leak and eventually hanging-up the system.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.47%• Percentile: 40%
Techniques & Countermeasures
- CWE-400•Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Affected Systems
- debian•linux
< 5.10.38-1 | < 5.10.38-1 | < 5.10.38-1 | < 5.10.38-1
- ubuntu•linux
all | < 4.4.0-222.255 | < 4.15.0-144.148 | < 5.4.0-74.83
- ubuntu•linux-aws
< 4.4.0-1102.107 | < 4.4.0-1138.152 | < 4.15.0-1103.110 | < 5.4.0-1049.51
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1049.51~18.04.1
- ubuntu•linux-aws-5.8
< 5.8.0-1038.40~20.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2045.47 | all | < 5.4.0-1069.73+fips2
- ubuntu•linux-aws-hwe
< 4.15.0-1103.110~16.04.1
- ubuntu•linux-azure
< 4.15.0-1115.128~14.04.1 | < 4.15.0-1115.128~16.04.1 | all | < 5.4.0-1048.50
- ubuntu•linux-azure-4.15
< 4.15.0-1115.128
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1048.50~18.04.1
- ubuntu•linux-azure-5.8
< 5.8.0-1036.38~20.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fips
< 4.15.0-2027.30 | all | < 5.4.0-1073.76+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1012.15
- ubuntu•linux-dell300x
< 4.15.0-1022.26
- ubuntu•linux-fips
< 4.4.0-1072.78 | all | < 4.15.0-1060.68
- ubuntu•linux-gcp
< 4.15.0-1100.113~16.04.1 | all | < 5.4.0-1044.47
- ubuntu•linux-gcp-4.15
< 4.15.0-1100.113
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1044.47~18.04.2
- ubuntu•linux-gcp-5.8
< 5.8.0-1035.37~20.04.1
- ubuntu•linux-gcp-edge
all
- ubuntu•linux-gcp-fips
all | < 5.4.0-1067.71~20.04.1
- ubuntu•linux-gke
< 5.4.0-1044.46
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.4
< 5.4.0-1044.46~18.04.1
- ubuntu•linux-gkeop
< 5.4.0-1016.17
- ubuntu•linux-gkeop-5.4
< 5.4.0-1016.17~18.04.1
- ubuntu•linux-hwe
< 4.15.0-144.148~16.04.1 | all
- ubuntu•linux-hwe-5.4
< 5.4.0-74.83~18.04.1
- ubuntu•linux-hwe-5.8
< 5.8.0-59.66~20.04.1
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1103.112 | < 4.15.0-1092.94 | < 5.4.0-1040.41
- ubuntu•linux-lts-xenial
< 4.4.0-222.255~14.04.1
- ubuntu•linux-oem
all
- ubuntu•linux-oem-5.10
< 5.10.0-1025.26
- ubuntu•linux-oem-5.6
all
- ubuntu•linux-oracle
< 4.15.0-1072.80~16.04.1 | < 4.15.0-1072.80 | < 5.4.0-1046.50
- ubuntu•linux-oracle-5.0
all
- ubuntu•linux-oracle-5.3
all
- ubuntu•linux-oracle-5.4
< 5.4.0-1046.50~18.04.2
- ubuntu•linux-oracle-5.8
< 5.8.0-1033.34~20.04.1
- ubuntu•linux-raspi
< 5.4.0-1036.39
- ubuntu•linux-raspi-5.4
< 5.4.0-1036.39~18.04.1
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.15.0-1086.91 | all
Showing first 50 affected entries in server-rendered view.
References (14)
- http://www.openwall.com/lists/oss-security/2020/11/01/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/
- https://www.openwall.com/lists/oss-security/2020/11/01/1
- https://security.netapp.com/advisory/ntap-20210702-0008/
- https://ubuntu.com/security/CVE-2020-25673
- https://ubuntu.com/security/notices/USN-4977-1
- https://ubuntu.com/security/notices/USN-4979-1
- https://ubuntu.com/security/notices/USN-4982-1
- https://ubuntu.com/security/notices/USN-4999-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2020-25673
- https://security-tracker.debian.org/tracker/CVE-2020-25673