Detections
Analytics

Oracle Linux 7 : kernel (ELSA-2022-1198)

high Nessus Plugin ID 159540

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-1198 advisory.

 - RDMA/cma: Do not change route.addr.src_addr.ss_family (Kamal Heib) [2032075] {CVE-2021-4028}
 - fget: clarify and improve __fget_files() implementation (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - fget: check that the fd still exists after getting a ref to it (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - net: Set fput_needed iff FDPUT_FPUT is set (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - vfs, fdtable: Add fget_task helper (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - fs: add fget_many() and fput_many() (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - fs/file.c: __fget() and dup2() atomicity rules (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - vfs: Don't let __fdget_pos() get FMODE_PATH files (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - get rid of fget_light() (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - sockfd_lookup_light(): switch to fdget^W^Waway from fget_light (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - fs: __fget_light() can use __fget() in slow path (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - fs: factor out common code in fget_light() and fget_raw_light() (Miklos Szeredi) [2032478] {CVE-2021-4083}
 - fs: factor out common code in fget() and fget_raw() (Miklos Szeredi) [2032478] {CVE-2021-4083}

Tenable has extracted the preceding description block directly from the Oracle 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

https://linux.oracle.com/errata/ELSA-2022-1198.html

Plugin Details

Severity: High

ID: 159540

File Name: oraclelinux_ELSA-2022-1198.nasl

Version: 1.7

Type: local

Agent: unix

Published: 4/6/2022

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2021-4083

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2021-4028

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/6/2022

Vulnerability Publication Date: 1/18/2022

Reference Information

CVE: CVE-2021-4028, CVE-2021-4083