CentOS 7 : kernel (CESA-2021:2314)
high Nessus Plugin ID 150770
Language:
New! Plugin Severity Now Using CVSS v3
The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
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
Dependencies: ssh_get_info.nasl
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