QID 354110

Date Published: 2022-11-10

QID 354110: Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-022

A vulnerability was found in linux kernel.
It has been classified as problematic.
Affected is the function nilfs_bmap_lookup_at_level of the file fs/nilfs2/inode.c of the component nilfs2.
The manipulation leads to null pointer dereference.
It is possible to launch the attack remotely.
It is recommended to apply a patch to fix this issue.
The identifier of this vulnerability is vdb-211920. (
( CVE-2022-3621) a vulnerability, which was classified as problematic, has been found in linux kernel.
This issue affects the function nilfs_attach_log_writer of the file fs/nilfs2/segment.c of the component bpf.
The manipulation leads to memory leak.
The attack may be initiated remotely.
The identifier vdb-211961 was assigned to this vulnerability. (
( CVE-2022-3646) a vulnerability was found in linux kernel.
Affected is the function nilfs_new_inode of the file fs/nilfs2/inode.c of the component bpf.
The manipulation leads to use after free.
The identifier of this vulnerability is vdb-211992. (
( CVE-2022-3649) drivers/scsi/stex.c in the linux kernel through 5.19.9 allows local users to obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the passthru_cmd case. (
( CVE-2022-40768)

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 Critical - 9.8 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Please refer to Amazon advisory: ALAS2KERNEL-5.10-2022-022 for affected packages and patching details, or update with your package manager.

Vendor References

ALAS2KERNEL-5.10-2022-022 - alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-022.html

CVEs related to QID 354110

CVE-2022-3621 | CVE-2022-3649 | CVE-2022-3646 | CVE-2022-40768 |

Software Advisories

Advisory ID	Software	Component	Link
ALAS2KERNEL-5.10-2022-022	Amazon Linux 2		alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-022.html

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