QID 352330

Date Published: 2021-05-27

QID 352330: Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-038

<DIV ID="issue_overview"> a flaw was found in the linux kernel's implementation of the linux scsi target host, where an authenticated attacker could write to any block on the exported scsi device backing store.
This flaw allows an authenticated attacker to send lio block requests to the linux system to overwrite data on the backing store.
The highest threat from this vulnerability is to integrity.
In addition, this flaw affects the tcmu-runner package, where the affected scsi command is called. (
cve-2020-28374 ) </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 Critical - 8.1 severity.
  • CVSS V2 rated as Medium - 5.5 severity.
    • Solution
    Please refer to Amazon advisory: ALASLIVEPATCH-2021-038 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352330

    CVE-2020-28374 |
    Software Advisories
    Advisory ID Software Component Link
    ALASLIVEPATCH-2021-038 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASLIVEPATCH-2021-038.html
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