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RHEL 8 : kpatch-patch (RHSA-2021:4644)
critical Nessus Plugin ID 155361
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Synopsis
The remote Red Hat host is missing a security update for kpatch-patch.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4644 advisory.- kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267)
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-2021:4644.See Also
http://www.nessus.org/u?fdb8c2a6
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: Critical
ID: 155361
File Name: redhat-RHSA-2021-4644.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/16/2021
Updated: 4/28/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 8.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-43267
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 9.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_eus:8.4, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_10_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_12_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_17_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_19_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_25_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_3_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_7_1
Required KB Items: Host/RedHat/rpm-list, Host/cpu, Host/local_checks_enabled, Host/RedHat/release
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/15/2021
Vulnerability Publication Date: 11/2/2021
Reference Information
CVE: CVE-2021-43267