RHEL 7 : kernel (RHSA-2020:2522)
high Nessus Plugin ID 137363
Language:
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2522 advisory.- kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595)
- kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
- kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)
- Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)
- kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)
- kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)
- kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)
- kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)
- kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)
- kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)
- kernel: brcmfmac frame validation bypass (CVE-2019-9503)
- Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
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
https://cwe.mitre.org/data/definitions/20.html
https://cwe.mitre.org/data/definitions/125.html
https://cwe.mitre.org/data/definitions/190.html
https://cwe.mitre.org/data/definitions/200.html
https://cwe.mitre.org/data/definitions/253.html
https://cwe.mitre.org/data/definitions/400.html
https://cwe.mitre.org/data/definitions/416.html
https://cwe.mitre.org/data/definitions/476.html
https://cwe.mitre.org/data/definitions/667.html
https://cwe.mitre.org/data/definitions/787.html
https://access.redhat.com/security/cve/CVE-2017-18595
https://access.redhat.com/security/cve/CVE-2018-7191
https://access.redhat.com/security/cve/CVE-2018-20169
https://access.redhat.com/security/cve/CVE-2019-3901
https://access.redhat.com/security/cve/CVE-2019-9503
https://access.redhat.com/security/cve/CVE-2019-10639
https://access.redhat.com/security/cve/CVE-2019-12382
https://access.redhat.com/security/cve/CVE-2019-13233
https://access.redhat.com/security/cve/CVE-2019-14283
https://access.redhat.com/security/cve/CVE-2019-15916
https://access.redhat.com/security/cve/CVE-2019-19768
https://access.redhat.com/security/cve/CVE-2020-10711
https://access.redhat.com/errata/RHSA-2020:2522
https://bugzilla.redhat.com/1660385
https://bugzilla.redhat.com/1701245
https://bugzilla.redhat.com/1701842
https://bugzilla.redhat.com/1715554
https://bugzilla.redhat.com/1716328
https://bugzilla.redhat.com/1727756
https://bugzilla.redhat.com/1729933
https://bugzilla.redhat.com/1734243
https://bugzilla.redhat.com/1750813
https://bugzilla.redhat.com/1758671
Plugin Details
Severity: High
ID: 137363
File Name: redhat-RHSA-2020-2522.nasl
Version: 1.6
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 6/11/2020
Updated: 10/12/2021
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent
Risk Information
VPR
Risk Factor: High
Score: 8.1
CVSS v2
Risk Factor: High
Base Score: 7.9
Temporal Score: 5.8
Vector: AV:A/AC:M/Au:N/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
CVSS Score Source: CVE-2019-9503
CVSS v3
Risk Factor: High
Base Score: 8.3
Temporal Score: 7.2
Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_aus:7.7, cpe:/o:redhat:rhel_e4s:7.6, cpe:/o:redhat:rhel_e4s:7.7, cpe:/o:redhat:rhel_eus:7.7, cpe:/o:redhat:rhel_tus:7.7, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-abi-whitelists, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, 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-headers, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-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 Ease: No known exploits are available
Patch Publication Date: 6/11/2020
Vulnerability Publication Date: 4/25/2016
Reference Information
CVE: CVE-2017-18595, CVE-2018-7191, CVE-2018-20169, CVE-2019-3901, CVE-2019-9503, CVE-2019-10639, CVE-2019-12382, CVE-2019-13233, CVE-2019-14283, CVE-2019-15916, CVE-2019-19768, CVE-2020-10711