Alibaba Cloud Linux 3 : 0167: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0167)

high Nessus Plugin ID 236497

Synopsis

The remote Alibaba Cloud Linux host is missing one or more security updates.

Description

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2022:0167 advisory.

Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

CVE-2022-3176:
There exists a use-after-free in io_uring in the Linux kernel. Signalfd_poll() and binder_poll() use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the io_uring poll doesn't handle POLLFREE. This allows a use-after-free to occur if a signalfd or binder fd is polled with io_uring poll, and the waitqueue gets freed. We recommend upgrading past commit fc78b2fc21f10c4c9c4d5d659a685710ffa63659

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 236497

File Name: alinux3_sa_2022-0167.nasl

Version: 1.1

Type: local

Family: Alibaba Cloud Linux Local Security Checks

Published: 5/14/2025

Updated: 5/14/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2022-3176

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debug-core, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-tools, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debug-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-modules-extra, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:bpftool, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:perf-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-tools-libs, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debug-modules, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debuginfo-common-aarch64, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-headers, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debug-modules-internal, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debuginfo-common-x86_64, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:bpftool-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:python3-perf, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debug-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-tools-libs-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debug, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-debug-modules-extra, cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:perf, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-tools-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-modules, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-core, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:kernel-modules-internal, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:python3-perf-debuginfo

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Alibaba/release, Host/Alibaba/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2022

Vulnerability Publication Date: 9/16/2022

Reference Information

CVE: CVE-2022-3176

Detections

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