Detections
Analytics
RHEL 6 : kernel (RHSA-2021:2735)
high Nessus Plugin ID 155787
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2735 advisory.- kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)
- kernel: Use after free via PI futex state (CVE-2021-3347)
- kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)
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-2020-12362
https://access.redhat.com/security/cve/CVE-2021-3347
https://access.redhat.com/security/cve/CVE-2021-33909
https://access.redhat.com/errata/RHSA-2021:2735
https://bugzilla.redhat.com/1922249
Plugin Details
Severity: High
ID: 155787
File Name: redhat-RHSA-2021-2735.nasl
Version: 1.6
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 12/2/2021
Updated: 1/23/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-33909
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
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:rhel_els:6, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-abi-whitelists, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-firmware, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python-perf
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: 7/20/2021
Vulnerability Publication Date: 1/29/2021