SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2022:0181-1)

medium Nessus Plugin ID 157076

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0181-1 advisory.

The SUSE MicroOS 5.0 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

- CVE-2021-4001: Fixed a race condition when the EBPF map is frozen. (bsc#1192990)
- CVE-2021-4002: Added a missing TLB flush that could lead to leak or corruption of data in hugetlbfs.
(bsc#1192946)
- CVE-2021-28711: Fixed a rogue backends that could cause DoS of guests via high frequency events by hardening blkfront against event channel storms. (bsc#1193440)
- CVE-2021-28712: Fixed a rogue backends that could cause DoS of guests via high frequency events by hardening netfront against event channel storms. (bsc#1193440)
- CVE-2021-28713: Fixed a rogue backends that could cause DoS of guests via high frequency events by hardening hvc_xen against event channel storms. (bsc#1193440)
- CVE-2021-28714: Fixed an issue where a guest could force Linux netback driver to hog large amounts of kernel memory by fixing rx queue stall detection. (bsc#1193442)
- CVE-2021-28715: Fixed an issue where a guest could force Linux netback driver to hog large amounts of kernel memory by do not queueing unlimited number of packages. (bsc#1193442)
- CVE-2021-33098: Fixed improper input validation in the Intel(R) Ethernet ixgbe driver that could allow an authenticate user to cause a denial of service (bnc#1192877).
- CVE-2021-43975: Fixed a flaw in hw_atl_utils_fw_rpc_wait that could allow an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value. (bnc#1192845)
- CVE-2021-43976: Fixed a flaw that could allow an attacker (who can connect a crafted USB device) to cause a denial of service. (bnc#1192847)

Tenable has extracted the preceding description block directly from the SUSE 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.

Plugin Details

Severity: Medium

ID: 157076

File Name: suse_SU-2022-0181-1.nasl

Version: 1.7

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 1/26/2022

Updated: 6/26/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-4001

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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-2021-43975

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:cluster-md-kmp-rt, p-cpe:/a:novell:suse_linux:dlm-kmp-rt, p-cpe:/a:novell:suse_linux:gfs2-kmp-rt, p-cpe:/a:novell:suse_linux:kernel-rt, p-cpe:/a:novell:suse_linux:kernel-rt-devel, p-cpe:/a:novell:suse_linux:kernel-rt_debug, p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel, p-cpe:/a:novell:suse_linux:kernel-syms-rt, p-cpe:/a:novell:suse_linux:ocfs2-kmp-rt, p-cpe:/a:novell:suse_linux:kernel-devel-rt, p-cpe:/a:novell:suse_linux:kernel-source-rt

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/25/2022

Vulnerability Publication Date: 11/9/2021

Reference Information

CVE: CVE-2021-28711, CVE-2021-28712, CVE-2021-28713, CVE-2021-28714, CVE-2021-28715, CVE-2021-33098, CVE-2021-4001, CVE-2021-4002, CVE-2021-43975, CVE-2021-43976

SuSE: SUSE-SU-2022:0181-1

Detections

Analytics

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2022:0181-1)

medium Nessus Plugin ID 157076

Synopsis

Description

Solution

See Also

Plugin Details

Risk Information

VPR

CVSS v2

CVSS v3

Vulnerability Information

Reference Information