RHEL 7 : kpatch-patch (RHSA-2020:0698)

Medium Nessus Plugin ID 134265

New! Vulnerability Priority Rating (VPR)

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VPR Score: 5.9

Synopsis

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

Description

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

Security Fix(es) :

* kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)

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.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2020:0698

https://access.redhat.com/security/cve/cve-2018-20856

Plugin Details

Severity: Medium

ID: 134265

File Name: redhat-RHSA-2020-0698.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/03/06

Updated: 2020/03/10

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 5.9

CVSS v2.0

Base Score: 4.6

Temporal Score: 3.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_35_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_35_1-debuginfo, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_35_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_35_2-debuginfo, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_38_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_38_1-debuginfo, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_38_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_38_3, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_41_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_43_1, cpe:/o:redhat:enterprise_linux:7.6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/03/03

Vulnerability Publication Date: 2019/07/26

Reference Information

CVE: CVE-2018-20856

RHSA: 2020:0698