RHEL 8 : kernel (RHSA-2022:0777)

high Nessus Plugin ID 158736

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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-2022:0777 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)

* kernel: use-after-free in RDMA listen() (CVE-2021-4028)

* kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)

* kernel: remote stack overflow via kernel panic on systems using TIPC may lead to DoS (CVE-2022-0435)

* kernel: missing check in ioctl allows kernel memory read/write (CVE-2022-0516)

* kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)

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):

* Intel QAT Kernel power up fix (BZ#2016436)

* RHEL8: DFS provided SMB shares are not accessible following unprivileged access (BZ#2017176)

* xfs: I_DONTCACHE flag is ignored [xfstests: xfs/177] (BZ#2028533)

* spec: Support separate tools build (BZ#2031052)

* block: update to upstream v5.14 (BZ#2034395)

* Double free of kmalloc-64 cache struct ib_port->pkey_group from module ib_core . (BZ#2038723)

* RHEL8 - kvm: floating interrupts may get stuck (BZ#2040768)

* Data corruption on small files served by httpd, which is backed by cifs-mount (BZ#2041528)

* Add a net/mlx5 patch for Hardware Offload Fix (BZ#2042662)

* DNS lookup failures when run two times in a row (BZ#2043547)

* net/sched: Fix ct zone matching for invalid conntrack state (BZ#2043549)

* Windows guest random Bsod when 'hv-tlbflush' enlightenment is enabled (BZ#2048342)

* OCP node XFS metadata corruption after numerous reboots (BZ#2049291)

* ice: bug fix series for 8.6 (BZ#2051950)

* SNO 4.9: NO-CARRIER on pod interface using VF on intel E810-C NIC; IAVF_ERR_ADMIN_QUEUE_ERROR (BZ#2052984)

* ceph omnibus backport for RHEL-8.6.0 (BZ#2053724)

* SCTP peel-off with SELinux and containers in OCP (BZ#2054111)

* Selinux is not allowing SCTP connection setup between inter pod communication in enforcing mode (BZ#2054116)

Enhancement(s):

* [Mellanox 8.5 FEAT] mlx5: drivers update upto Linux v5.12 [8.4.0.z] (BZ#2037730)

* [MCHP 8.5 FEAT] Update smartpqi driver to latest upstream [None8.4.0.z] (BZ#2042498)

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.

Plugin Details

Severity: High

ID: 158736

File Name: redhat-RHSA-2022-0777.nasl

Version: 1.16

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 3/9/2022

Updated: 11/8/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2022-0435

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

Vector: CVSS:3.0/AV:N/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: 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, 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-headers, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/8/2022

Vulnerability Publication Date: 12/15/2021

CISA Known Exploited Vulnerability Due Dates: 6/13/2022

Exploitable With

Metasploit (vmwgfx Driver File Descriptor Handling Priv Esc)

Reference Information

CVE: CVE-2021-0920, CVE-2021-4028, CVE-2021-47544, CVE-2022-0330, CVE-2022-0435, CVE-2022-0516, CVE-2022-22942

CWE: 119, 201, 281, 416, 787

RHSA: 2022:0777

Detections

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