CentOS 7 : kernel (CESA-2021:2314)
high Nessus Plugin ID 150770
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Synopsis
The remote CentOS Linux host is missing one or more security updates.Description
The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:2314 advisory.- kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)
- kernel: Improper input validation in some Intel(R) Graphics Drivers (CVE-2020-12363)
- kernel: Null pointer dereference in some Intel(R) Graphics Drivers (CVE-2020-12364)
- kernel: Speculation on pointer arithmetic against bpf_context pointer (CVE-2020-27170)
- kernel: use-after-free in n_tty_receive_buf_common function in drivers/tty/n_tty.c (CVE-2020-8648)
- kernel: Use after free via PI futex state (CVE-2021-3347)
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 affected packages.See Also
http://www.nessus.org/u?38256049
https://cwe.mitre.org/data/definitions/20.html
https://cwe.mitre.org/data/definitions/190.html
https://cwe.mitre.org/data/definitions/200.html
Plugin Details
Severity: High
ID: 150770
File Name: centos_RHSA-2021-2314.nasl
Version: 1.2
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 6/14/2021
Updated: 6/14/2021
Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure
Risk Information
CVSS Score Source: CVE-2021-3347
VPR
Risk Factor: High
Score: 8.4
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.3
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
CVSS v3
Risk Factor: High
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: E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:centos:centos:bpftool, p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-abi-whitelists, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:kernel-tools, p-cpe:/a:centos:centos:kernel-tools-libs, p-cpe:/a:centos:centos:kernel-tools-libs-devel, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:python-perf, cpe:/o:centos:centos:7
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 6/14/2021
Vulnerability Publication Date: 2/6/2020
Reference Information
CVE: CVE-2020-8648, CVE-2020-12362, CVE-2020-12363, CVE-2020-12364, CVE-2020-27170, CVE-2021-3347