Detections
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Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9362)

high Nessus Plugin ID 151690

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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-2021-9362 advisory.

 - bpf: Fix masking negation logic upon negative dst register (Daniel Borkmann) [Orabug: 32911990] {CVE-2021-31829}
 - Bluetooth: verify AMP hci_chan before amp_destroy (Archie Pusaka) [Orabug: 32912099] {CVE-2021-33034}
 - net/sctp: fix race condition in sctp_destroy_sock (Or Cohen) {CVE-2021-23133}
 - nfc: fix memory leak in llcp_sock_connect() (Xiaoming Ni) {CVE-2020-25672}
 - nfc: fix refcount leak in llcp_sock_connect() (Xiaoming Ni) {CVE-2020-25671}
 - nfc: fix refcount leak in llcp_sock_bind() (Xiaoming Ni) {CVE-2020-25670}
 - misc: fastrpc: restrict user apps from sending kernel RPC messages (Dmitry Baryshkov) {CVE-2019-2308}

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-2021-9362.html

Plugin Details

Severity: High

ID: 151690

File Name: oraclelinux_ELSA-2021-9362.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/16/2021

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: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-25671

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2021-33034

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: 7/16/2021

Vulnerability Publication Date: 7/25/2019

Reference Information

CVE: CVE-2019-2308, CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2021-23133, CVE-2021-29155, CVE-2021-31829, CVE-2021-32399, CVE-2021-33033, CVE-2021-33034