RHEL 7 : kernel-rt (RHSA-2021:0857)
high Nessus Plugin ID 147827
Language:
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
Plugin Details
Severity: High
ID: 147827
File Name: redhat-RHSA-2021-0857.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
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