QID 352333

Date Published: 2021-05-27

QID 352333: Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-035

<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-2021-035 for affected packages and patching details, or update with your package manager.

Vendor References

ALASLIVEPATCH-2021-035 - alas.aws.amazon.com/AL2/ALASLIVEPATCH-2021-035.html

CVEs related to QID 352333

CVE-2020-28374 |

Software Advisories

Advisory ID	Software	Component	Link
ALASLIVEPATCH-2021-035	Amazon Linux 2		alas.aws.amazon.com/AL2/ALASLIVEPATCH-2021-035.html

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