RHEL 7 : kernel-rt (RHSA-2021:0857)

high Nessus Plugin ID 147827

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0857 advisory.

- kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532)

- kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)

- kernel: performance counters race condition use-after-free (CVE-2020-14351)

- kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)

- kernel: Geneve/IPsec traffic may be unencrypted between two Geneve endpoints (CVE-2020-25645)

- kernel: use-after-free in read in vt_do_kdgkb_ioctl (CVE-2020-25656)

- kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705)

- kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)

- kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)

- kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c (CVE-2020-7053)

- kernel: increase slab leak leads to DoS (CVE-2021-20265)

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

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/20.html

https://cwe.mitre.org/data/definitions/119.html

https://cwe.mitre.org/data/definitions/200.html

https://cwe.mitre.org/data/definitions/319.html

https://cwe.mitre.org/data/definitions/330.html

https://cwe.mitre.org/data/definitions/400.html

https://cwe.mitre.org/data/definitions/416.html

https://cwe.mitre.org/data/definitions/667.html

https://access.redhat.com/security/cve/CVE-2019-19532

https://access.redhat.com/security/cve/CVE-2020-0427

https://access.redhat.com/security/cve/CVE-2020-7053

https://access.redhat.com/security/cve/CVE-2020-14351

https://access.redhat.com/security/cve/CVE-2020-25211

https://access.redhat.com/security/cve/CVE-2020-25645

https://access.redhat.com/security/cve/CVE-2020-25656

https://access.redhat.com/security/cve/CVE-2020-25705

https://access.redhat.com/security/cve/CVE-2020-28374

https://access.redhat.com/security/cve/CVE-2020-29661

https://access.redhat.com/security/cve/CVE-2021-20265

https://access.redhat.com/errata/RHSA-2021:0857

https://bugzilla.redhat.com/1781821

https://bugzilla.redhat.com/1795624

https://bugzilla.redhat.com/1862849

https://bugzilla.redhat.com/1877571

https://bugzilla.redhat.com/1883988

https://bugzilla.redhat.com/1888726

https://bugzilla.redhat.com/1894579

https://bugzilla.redhat.com/1899804

https://bugzilla.redhat.com/1906525

https://bugzilla.redhat.com/1908827

https://bugzilla.redhat.com/1919893

Plugin Details

Severity: High

ID: 147827

File Name: redhat-RHSA-2021-0857.nasl

Version: 1.8

Type: local

Agent: unix

Published: 3/17/2021

Updated: 5/10/2022

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS Score Source: CVE-2020-29661

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS Score Source: CVE-2020-28374

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-doc, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-kvm

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/16/2021

Vulnerability Publication Date: 12/3/2019

Reference Information

CVE: CVE-2019-19532, CVE-2020-0427, CVE-2020-7053, CVE-2020-14351, CVE-2020-25211, CVE-2020-25645, CVE-2020-25656, CVE-2020-25705, CVE-2020-28374, CVE-2020-29661, CVE-2021-20265

RHSA: 2021:0857

CWE: 20, 119, 200, 319, 330, 400, 416, 667