Detections
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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2022-9348)

high Nessus Plugin ID 160495

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Synopsis

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

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9348 advisory.

 - fget: check that the fd still exists after getting a ref to it (Linus Torvalds) [Orabug: 33679806] {CVE-2021-0920}
 - af_unix: fix garbage collect vs MSG_PEEK (Miklos Szeredi) [Orabug: 33679806] {CVE-2021-0920}
 - netfilter: nf_tables: initialize registers in nft_do_chain() (Pablo Neira Ayuso) [Orabug: 34012926] {CVE-2022-1016}
 - pNFS/flexfiles: fix incorrect size check in decode_nfs_fh() (Nikola Livic) [Orabug: 34020970] {CVE-2021-4157}
 - Bluetooth: use correct lock to prevent UAF of hdev object (Lin Ma) [Orabug: 33014054] {CVE-2021-3573}
 - hugetlbfs: flush TLBs correctly after huge_pmd_unshare (Nadav Amit) [Orabug: 33617221] {CVE-2021-4002}
 - udf: Restore i_lenAlloc when inode expansion fails (Jan Kara) [Orabug: 33870269] {CVE-2022-0617}
 - udf: Fix NULL ptr deref when converting from inline format (Jan Kara) [Orabug: 33870269] {CVE-2022-0617}
 - phonet: refcount leak in pep_sock_accep (Hangyu Hua) [Orabug: 33962762] {CVE-2021-45095}
 - btrfs: unlock newly allocated extent buffer after error (Qu Wenruo) [Orabug: 33997139] {CVE-2021-4149}
 - quota: correct error number in free_dqentry() (Zhang Yi) [Orabug: 33997256] {CVE-2021-45868}
 - quota: check block number when reading the block in quota file (Zhang Yi) [Orabug: 33997256] {CVE-2021-45868}

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-2022-9348.html

Plugin Details

Severity: High

ID: 160495

File Name: oraclelinux_ELSA-2022-9348.nasl

Version: 1.8

Type: local

Agent: unix

Published: 5/4/2022

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.1

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

CVSS Score Source: CVE-2021-4157

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7.4

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, cpe:/o:oracle:linux:6

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: 5/3/2022

Vulnerability Publication Date: 6/8/2021

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

Reference Information

CVE: CVE-2021-0920, CVE-2021-3573, CVE-2021-4002, CVE-2021-4149, CVE-2021-4157, CVE-2021-4203, CVE-2021-45095, CVE-2021-45868, CVE-2022-0617, CVE-2022-1016