Detections
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RHEL 7 : kpatch-patch (RHSA-2021:2285)
high Nessus Plugin ID 150347
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Synopsis
The remote Red Hat host is missing a security update for kpatch-patch.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2285 advisory.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 via PI futex state (CVE-2021-3347)
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.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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 RHEL kpatch-patch package based on the guidance in RHSA-2021:2285.See Also
http://www.nessus.org/u?9024260c
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 150347
File Name: redhat-RHSA-2021-2285.nasl
Version: 1.10
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 6/8/2021
Updated: 11/7/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-3347
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7
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:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_25_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_21_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_2_1, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_24_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_2_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_6_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_15_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_11_1
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: 6/8/2021
Vulnerability Publication Date: 1/29/2021
Reference Information
CVE: CVE-2021-3347