Detections
Analytics

Oracle Linux 8 : kernel (ELSA-2021-4356)

high Nessus Plugin ID 155425

Language:

Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-4356 advisory.

 - ovl: prevent private clone if bind mount is not allowed (Miklos Szeredi) [1993131] {CVE-2021-3732}
 - KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653) (Jon Maloy) [1985413] {CVE-2021-3653}
 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested (CVE-2021-3656) (Jon Maloy) [1985430] {CVE-2021-3656}
 - mt76: validate rx A-MSDU subframes (Inigo Huguet) [1991459] {CVE-2020-24588 CVE-2020-26144}
 - ath11k: Drop multicast fragments (Inigo Huguet) [1991459] {CVE-2020-26145}
 - ath11k: Clear the fragment cache during key install (Inigo Huguet) [1991459] {CVE-2020-24587}
 - ath10k: Validate first subframe of A-MSDU before processing the list (Inigo Huguet) [1991459] {CVE-2020-24588 CVE-2020-26144}
 - ath10k: Fix TKIP Michael MIC verification for PCIe (Inigo Huguet) [1991459] {CVE-2020-26141}
 - ath10k: drop MPDU which has discard flag set by firmware for SDIO (Inigo Huguet) [1991459] {CVE-2020-24588}
 - ath10k: drop fragments with multicast DA for SDIO (Inigo Huguet) [1991459] {CVE-2020-26145}
 - ath10k: drop fragments with multicast DA for PCIe (Inigo Huguet) [1991459] {CVE-2020-26145}
 - mac80211: extend protection against mixed key and fragment cache attacks (Inigo Huguet) [1991459] {CVE-2020-24586 CVE-2020-24587}
 - mac80211: do not accept/forward invalid EAPOL frames (Inigo Huguet) [1991459] {CVE-2020-26139}
 - mac80211: prevent attacks on TKIP/WEP as well (Inigo Huguet) [1991459] {CVE-2020-26141}
 - mac80211: add fragment cache to sta_info (Inigo Huguet) [1991459] {CVE-2020-24586 CVE-2020-24587}
 - mac80211: drop A-MSDUs on old ciphers (Inigo Huguet) [1991459] {CVE-2020-24588}
 - cfg80211: mitigate A-MSDU aggregation attacks (Inigo Huguet) [1991459] {CVE-2020-24588 CVE-2020-26144}
 - mac80211: prevent mixed key and fragment cache attacks (Inigo Huguet) [1991459] {CVE-2020-24586 CVE-2020-24587}
 - mac80211: assure all fragments are encrypted (Inigo Huguet) [1991459] {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-2021-4356.html

Plugin Details

Severity: High

ID: 155425

File Name: oraclelinux_ELSA-2021-4356.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/17/2021

Updated: 11/2/2024

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-2021-3489

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-2021-3600

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel

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: 11/16/2021

Vulnerability Publication Date: 9/17/2020

Reference Information

CVE: CVE-2020-0427, CVE-2020-24502, CVE-2020-24503, CVE-2020-24504, CVE-2020-24586, CVE-2020-24587, CVE-2020-24588, CVE-2020-26139, CVE-2020-26140, CVE-2020-26141, CVE-2020-26143, CVE-2020-26144, CVE-2020-26145, CVE-2020-26146, CVE-2020-26147, CVE-2020-27777, CVE-2020-29368, CVE-2020-29660, CVE-2020-36158, CVE-2020-36386, CVE-2021-0129, CVE-2021-20194, CVE-2021-20239, CVE-2021-23133, CVE-2021-28950, CVE-2021-28971, CVE-2021-29155, CVE-2021-29646, CVE-2021-29650, CVE-2021-31440, CVE-2021-31829, CVE-2021-31916, CVE-2021-33200, CVE-2021-3348, CVE-2021-3489, CVE-2021-3564, CVE-2021-3573, CVE-2021-3600, CVE-2021-3635, CVE-2021-3659, CVE-2021-3679, CVE-2021-3732

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