QID 352344

Date Published: 2021-05-27

QID 352344: Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2020-024

<DIV ID="issue_overview"> a flaw was found in the linux kernel's 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 isn't 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. (
cve-2020-1749 ) </DIV>

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Please refer to Amazon advisory: ALASLIVEPATCH-2020-024 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352344

    CVE-2020-1749 |
    Software Advisories
    Advisory ID Software Component Link
    ALASLIVEPATCH-2020-024 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASLIVEPATCH-2020-024.html
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