Detections
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Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9474)

high Nessus Plugin ID 153991

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Synopsis

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

Description

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9474 advisory.

 - btrfs: fix NULL pointer dereference when deleting device by invalid id (Qu Wenruo) [Orabug: 33281078] {CVE-2021-3739}
 - net: qrtr: fix another OOB Read in qrtr_endpoint_post (Xiaolong Huang) [Orabug: 33284937] {CVE-2021-3743}
 - ext4: fix race writing to an inline_data file while its xattrs are changing (Theodore Ts'o) [Orabug:
 33327177] {CVE-2021-40490}
 - KVM: X86: MMU: Use the correct inherited permissions to get shadow page (Lai Jiangshan) [Orabug:
 33209458] {CVE-2021-38198}
 - usb: hso: fix error handling code of hso_create_net_device (Dongliang Mu) [Orabug: 33174795] {CVE-2021-37159}

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

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

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2021-9474.html

Plugin Details

Severity: High

ID: 153991

File Name: oraclelinux_ELSA-2021-9474.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/11/2021

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-40490

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

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

CVSS Score Source: CVE-2021-3743

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek-tools-libs, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/11/2021

Vulnerability Publication Date: 7/21/2021

Reference Information

CVE: CVE-2021-37159, CVE-2021-3739, CVE-2021-3743, CVE-2021-38198, CVE-2021-40490