Detections
Analytics

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9404)

high Nessus Plugin ID 152382

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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-2021-9404 advisory.

 - seq_file: disallow extremely large seq buffer allocations (Eric Sandeen) [Orabug: 33135632] {CVE-2021-33909}
 - Bluetooth: fix the erroneous flush_work() order (Lin Ma) {CVE-2021-3564}
 - ath10k: Fix TKIP Michael MIC verification for PCIe (Wen Gong) {CVE-2020-26141}
 - ath10k: drop MPDU which has discard flag set by firmware for SDIO (Wen Gong) {CVE-2020-24588}
 - ath10k: drop fragments with multicast DA for SDIO (Wen Gong) {CVE-2020-26145}
 - ath10k: drop fragments with multicast DA for PCIe (Wen Gong) {CVE-2020-26145}
 - mac80211: extend protection against mixed key and fragment cache attacks (Wen Gong) {CVE-2020-24586} {CVE-2020-24587}
 - mac80211: drop A-MSDUs on old ciphers (Johannes Berg) {CVE-2020-24588}
 - cfg80211: mitigate A-MSDU aggregation attacks (Mathy Vanhoef) {CVE-2020-24588}
 - mac80211: prevent mixed key and fragment cache attacks (Mathy Vanhoef) {CVE-2020-24587} {CVE-2020-24586}
 - mac80211: assure all fragments are encrypted (Mathy Vanhoef) {CVE-2020-26147}

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-2021-9404.html

Plugin Details

Severity: High

ID: 152382

File Name: oraclelinux_ELSA-2021-9404.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/10/2021

Updated: 10/23/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2021-33909

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

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/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/10/2021

Vulnerability Publication Date: 9/15/2020

Reference Information

CVE: CVE-2020-14304, CVE-2020-24586, CVE-2020-24587, CVE-2020-24588, CVE-2020-26141, CVE-2020-26145, CVE-2020-26147, CVE-2021-23134, CVE-2021-33909, CVE-2021-3564

IAVA: 2021-A-0222-S, 2021-A-0223-S, 2021-A-0350