QID 353154

Date Published: 2022-02-01

QID 353154: Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-006

A flaw was found in the linux kernel.
When reusing a socket with an attached dccps_hc_tx_ccid as a listener, the socket will be used after being released leading to denial of service (dos) or a potential code execution.
The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (
( CVE-2020-16119) a flaw was found in loop_rw_iter in fs/io_uring.c in the linux kernel.
This problem gives the ability to a local user with a normal user privilege to free a user-defined kernel space buffer. (
( CVE-2021-41073)

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.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as High - 7.2 severity.

Solution

Please refer to Amazon advisory: ALAS2KERNEL-5.10-2022-006 for affected packages and patching details, or update with your package manager.

Vendor References

ALAS2KERNEL-5.10-2022-006 - alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-006.html

CVEs related to QID 353154

CVE-2020-16119 | CVE-2021-41073 |

Software Advisories

Advisory ID	Software	Component	Link
ALAS2KERNEL-5.10-2022-006	Amazon Linux 2		alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-006.html

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