OracleVM 3.4 : kernel-uek (OVMSA-2022-0005)

high Nessus Plugin ID 156598

Synopsis

The remote OracleVM host is missing one or more security updates.

Description

The remote OracleVM system is missing necessary patches to address security updates:

- In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References:
Upstream kernel (CVE-2021-0920)

- In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free.
This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:
A-204573007References: Upstream kernel (CVE-2021-1048)

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 kernel-uek / kernel-uek-firmware packages.

See Also

https://linux.oracle.com/cve/CVE-2021-0920.html

https://linux.oracle.com/cve/CVE-2021-1048.html

https://linux.oracle.com/cve/CVE-2021-4155.html

https://linux.oracle.com/errata/OVMSA-2022-0005.html

Plugin Details

Severity: High

ID: 156598

File Name: oraclevm_OVMSA-2022-0005.nasl

Version: 1.6

Type: local

Published: 1/11/2022

Updated: 5/25/2022

Risk Information

VPR

Risk Factor: Critical

Score: 9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C

CVSS Score Source: CVE-2021-1048

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:kernel-uek, p-cpe:/a:oracle:vm:kernel-uek-firmware, cpe:/o:oracle:vm_server:3.4

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/10/2022

Vulnerability Publication Date: 1/11/2021

CISA Known Exploited Dates: 6/13/2022

Reference Information

CVE: CVE-2021-0920, CVE-2021-1048, CVE-2021-4155