CVE-2020-1749
Description
A flaw was found in the Linux kernels implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isnt correctly routing tunneled data over the encrypted link; rather sending the data unencrypted. This would allow anyone in between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.
Risk Information
Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.155
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Linux kernel for Google Container Engine (GKE) systems (USN-4388-1) linux-image-gke-5.0_5.0.0.1042.27_amd64.deb | Linux |
| Linux kernel for Google Container Engine (GKE) systems (USN-4388-1) linux-image-oem-osp1_5.0.0.1059.58_amd64.deb | Linux |
| Linux kernel for Google Container Engine (GKE) systems (USN-4388-1) linux-image-5.0.0-1042-gke_5.0.0-1042.43_amd64.deb | Linux |
| Linux kernel for Google Container Engine (GKE) systems (USN-4388-1) linux-image-5.0.0-1059-oem-osp1_5.0.0-1059.64_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-gcp_4.15.0.1077.79_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-gke_4.15.0.1063.65_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-gke_4.15.0.1077.79_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-kvm_4.15.0.1067.63_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-oem_4.15.0.106.111_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-oem_4.15.0.1087.91_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-azure_4.15.0.1089.84_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-oracle_4.15.0.1045.38_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-aws-hwe_4.15.0.1073.73_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-generic_4.15.0.106.94_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-generic_4.15.0.106.94_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-virtual_4.15.0.106.94_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-virtual_4.15.0.106.94_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-gke-4.15_4.15.0.1063.65_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-azure-edge_4.15.0.1089.84_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-lowlatency_4.15.0.106.94_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-lowlatency_4.15.0.106.94_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-aws-lts-18.04_4.15.0.1073.76_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1063-gke_4.15.0-1063.66_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1067-kvm_4.15.0-1067.68_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1073-aws_4.15.0-1073.77_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1073-aws_4.15.0-1073.77~16.04.1_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1077-gcp_4.15.0-1077.87~16.04.1_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1087-oem_4.15.0-1087.97_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-azure-lts-18.04_4.15.0.1089.60_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-oracle-lts-18.04_4.15.0.1045.54_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1089-azure_4.15.0-1089.99_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1089-azure_4.15.0-1089.99~16.04.1_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-generic-hwe-16.04_4.15.0.106.111_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-generic-hwe-16.04_4.15.0.106.111_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-virtual-hwe-16.04_4.15.0.106.111_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-virtual-hwe-16.04_4.15.0.106.111_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1045-oracle_4.15.0-1045.49_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-1045-oracle_4.15.0-1045.49~16.04.1_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-generic_4.15.0-106.107_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-generic_4.15.0-106.107_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-generic_4.15.0-106.107~16.04.1_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-generic_4.15.0-106.107~16.04.1_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-lowlatency-hwe-16.04_4.15.0.106.111_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-lowlatency-hwe-16.04_4.15.0.106.111_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-lowlatency_4.15.0-106.107_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-lowlatency_4.15.0-106.107_amd64.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-lowlatency_4.15.0-106.107~16.04.1_i386.deb | Linux |
| Linux kernel (USN-4390-1) linux-image-4.15.0-106-lowlatency_4.15.0-106.107~16.04.1_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-aws_4.4.0.1109.113_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-kvm_4.4.0.1075.73_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-generic_4.4.0.184.190_i386.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-generic_4.4.0.184.190_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-virtual_4.4.0.184.190_i386.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-virtual_4.4.0.184.190_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-lowlatency_4.4.0.184.190_i386.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-lowlatency_4.4.0.184.190_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-4.4.0-1075-kvm_4.4.0-1075.82_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-4.4.0-1109-aws_4.4.0-1109.120_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-4.4.0-184-generic_4.4.0-184.214_i386.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-4.4.0-184-generic_4.4.0-184.214_amd64.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-4.4.0-184-lowlatency_4.4.0-184.214_i386.deb | Linux |
| Linux kernel (USN-4391-1) linux-image-4.4.0-184-lowlatency_4.4.0-184.214_amd64.deb | Linux |
| kernel Security Update (ALAS-2020-1431) kernel-livepatch-4.14.181-140.257-1.0-0.amzn2.x86_64.rpm | Linux |
| CVE-2020-1749 | NCM |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234