CVE-2020-10942
Vulnerability Summary
Timeline
Description
In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
- v2.0•MEDIUM•Score: 5.4AV:L/AC:M/Au:N/C:N/I:P/A:C
EPSS Trends
Current EPSS score: 1.00%• Percentile: 61%
Techniques & Countermeasures
- CWE-787•Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04 | 19.10
- debian•linux
< 5.5.13-1 | < 5.5.13-1 | < 5.5.13-1 | < 5.5.13-1
- ubuntu•linux
all | < 4.4.0-179.209 | < 4.15.0-99.100
- ubuntu•linux-aws
< 4.4.0-1067.71 | < 4.4.0-1107.118 | < 4.15.0-1066.70
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.3
< 5.3.0-1017.18~18.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2018.18 | all
- ubuntu•linux-aws-hwe
< 4.15.0-1066.70~16.04.1
- ubuntu•linux-azure
< 4.15.0-1082.92~14.04.1 | < 4.15.0-1082.92~16.04.1 | all
- ubuntu•linux-azure-5.3
< 5.3.0-1020.21~18.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fips
< 4.15.0-2006.7 | all
- ubuntu•linux-bluefield
all
- ubuntu•linux-fips
< 4.4.0-1034.39 | all | < 4.15.0-1029.34
- ubuntu•linux-gcp
< 4.15.0-1061.65 | all
- ubuntu•linux-gcp-5.3
< 5.3.0-1018.19~18.04.1
- ubuntu•linux-gcp-edge
all
- ubuntu•linux-gcp-fips
all
- ubuntu•linux-gke
all
- ubuntu•linux-gke-4.15
< 4.15.0-1058.61
- ubuntu•linux-gke-5.0
< 5.0.0-1035.36
- ubuntu•linux-gke-5.3
< 5.3.0-1018.19~18.04.1
- ubuntu•linux-hwe
< 4.15.0-99.100~16.04.1 | < 5.3.0-51.44~18.04.2
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1071.78 | < 4.15.0-1059.60
- ubuntu•linux-lts-xenial
< 4.4.0-179.209~14.04.1
- ubuntu•linux-oem
< 4.15.0-1080.90
- ubuntu•linux-oem-osp1
< 5.0.0-1050.55
- ubuntu•linux-oracle
< 4.15.0-1038.42~16.04.1 | < 4.15.0-1038.42
- ubuntu•linux-oracle-5.0
all
- ubuntu•linux-oracle-5.3
< 5.3.0-1016.18~18.04.1
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1133.142 | < 4.15.0-1061.65 | all
- ubuntu•linux-raspi2-5.3
< 5.3.0-1023.25~18.04.1
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
all
- ubuntu•linux-snapdragon
< 4.4.0-1137.145 | < 4.15.0-1077.84
- debian•debian_linux
8.0 | 9.0 | 10.0
- linux•linux_kernel
< 5.5.8
- opensuse•leap
15.1
References (22)
- https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64
- https://lkml.org/lkml/2020/2/15/125
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8
- https://security.netapp.com/advisory/ntap-20200403-0003/
- http://www.openwall.com/lists/oss-security/2020/04/15/4
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
- https://www.debian.org/security/2020/dsa-4667
- https://usn.ubuntu.com/4344-1/
- https://usn.ubuntu.com/4345-1/
- https://usn.ubuntu.com/4342-1/
- https://usn.ubuntu.com/4364-1/
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- https://www.debian.org/security/2020/dsa-4698
- https://ubuntu.com/security/CVE-2020-10942
- https://ubuntu.com/security/notices/USN-4342-1
- https://ubuntu.com/security/notices/USN-4344-1
- https://ubuntu.com/security/notices/USN-4345-1
- https://ubuntu.com/security/notices/USN-4364-1
- https://www.cve.org/CVERecord?id=CVE-2020-10942
- https://security-tracker.debian.org/tracker/CVE-2020-10942