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RHEL 8 : kpatch-patch (RHSA-2022:0925)
high Nessus Plugin ID 158951
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0925 advisory.- kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)
- kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)
- kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)
- kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://access.redhat.com/security/cve/CVE-2021-4083
https://access.redhat.com/security/cve/CVE-2022-0330
https://access.redhat.com/security/cve/CVE-2022-0492
https://access.redhat.com/security/cve/CVE-2022-22942
https://access.redhat.com/errata/RHSA-2022:0925
https://bugzilla.redhat.com/2029923
https://bugzilla.redhat.com/2042404
Plugin Details
Severity: High
ID: 158951
File Name: redhat-RHSA-2022-0925.nasl
Version: 1.13
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 3/15/2022
Updated: 12/13/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.2
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 6
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2022-0492
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.5
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:H/RL:O/RC:C
CVSS Score Source: CVE-2022-22942
Vulnerability Information
CPE: cpe:/o:redhat:rhel_aus:8.2, cpe:/o:redhat:rhel_e4s:8.2, cpe:/o:redhat:rhel_eus:8.2, cpe:/o:redhat:rhel_tus:8.2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_47_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_51_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_56_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_60_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_64_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_65_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_68_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_70_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_71_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_75_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: 3/15/2022
Vulnerability Publication Date: 1/18/2022
Exploitable With
Metasploit (vmwgfx Driver File Descriptor Handling Priv Esc)
Reference Information
CVE: CVE-2021-4083, CVE-2022-0330, CVE-2022-0492, CVE-2022-22942