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

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

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

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

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

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

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * kernel-rt: update to the latest RHEL7.9.z4 source tree (BZ#1917909)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

Detections

Analytics

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

high Nessus Plugin ID 147827

Version 1.14

Version 1.13

Version 1.12

Version 1.11

Version 1.14 Nov 8, 2024, 5:19 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202411080519
Version 1.13 Apr 28, 2024, 2:25 PM Detection (updated detection logic) Plugin metadata Reference Plugin Feed: 202404281425
Version 1.12 Jan 23, 2023, 7:12 PM Logic Changes (Added support for repository relative URLs) Plugin Feed: 202301231912
Version 1.11 Dec 6, 2022, 2:54 AM Reference Plugin Feed: 202212060254