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RHEL 8 : kernel (RHSA-2021:4056)
high Nessus Plugin ID 154834
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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-2021:4056 advisory.The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385)
* kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)
* kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* [HPE 8.3 bug] No EDAC MC0 message with one-DIMM two-processor configuration under RHEL8.3 (BZ#1982182)
* mlx: devlink port function shows all zero hw_addr (BZ#1986837)
* net/sched: act_mirred: allow saving the last chain processed on xmit path (BZ#1992230)
* RHEL8.3 - System hang and / or r/o fs during SVC/v5k/v7k maintenance with ibmvfc (BZ#1993892)
* RHEL8.1 Snapshot3 - PVT:940:virt:4TB:LPM operation failed by returning HSCLA2CF, HSCL365C SRC's - Linux partition suspend timeout (-> documentation/Linux Alert through LTC bug 182549) (BZ#1993952)
* RHEL8.4 - benchTableRepDMLAsyncBarrier regresses by 34% on RHEL8.4 on POWER9 compared to RHEL8.2 (performance) (BZ#1997431)
* [panic] call trace: ice_probe+0x238/0x10f0 [ice] (BZ#1997539)
* [ice, PTP] ice: fix GPIO 1PPS signal (BZ#1997572)
* Fix locality handling in the tpm_tis driver (BZ#1998219)
* [ice, PTP]: fix Tx queue iteration for Tx timestamp enablement (BZ#2000128)
* PCI passthrough with NVidia GPU Invalid device 0003:01:00.0 iommu_group file /sys/bus/pci/devices/0003:01:00.0/iommu_group is not a symlink (BZ#2000602)
* [DELL 8.4 BUG] - System Hangs at Dell Logo When Boot to OS(e1000e with wrong GbE checksum) (BZ#2002335)
* RHEL8.4 - kernel: Fix hanging ioctl caused by wrong msg counter (BZ#2002635)
* kernel: get_timespec64 does not ignore padding in compat syscalls (BZ#2003569)
* [mlx5] eth0: hw csum failure (BZ#2005980)
* xlog_grant_head_wait() does not return and system hangs (BZ#2007413)
* panic while breaking a lease/delegation after user mode helper invocation (BZ#2010331)
* Lockd invalid cast to nlm_lockowner (BZ#2010820)
* [xfstests generic/388] XFS: Assertion failed: 0, file: fs/xfs/xfs_mount.c, line: 1218 (BZ#2011919)
Enhancement(s):
* [Intel 8.5 FEAT] ice: Enable PTP Support (BZ#1998220)
* [Intel 8.5 FEAT] ice: Enable GPIO/SDP Support (BZ#1998221)
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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
http://www.nessus.org/u?0d60e3d3
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/errata/RHSA-2021:4056
https://bugzilla.redhat.com/show_bug.cgi?id=1974319
Plugin Details
Severity: High
ID: 154834
File Name: redhat-RHSA-2021-4056.nasl
Version: 1.9
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/2/2021
Updated: 11/7/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.3
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-3656
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, cpe:/o:redhat:rhel_eus:8.4, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:python3-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: 11/2/2021
Vulnerability Publication Date: 6/7/2021