Oracle Linux 7 : kernel (ELSA-2021-2314)

high Nessus Plugin ID 150447

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-2021-2314 advisory.

- futex: Handle faults correctly for PI futexes (Donghai Qiao) [1935108] {CVE-2021-3347}
- futex: Provide and use pi_state_update_owner() (Donghai Qiao) [1935108] {CVE-2021-3347}
- futex: Replace pointless printk in fixup_owner() (Donghai Qiao) [1935108] {CVE-2021-3347}
- futex: Ensure the correct return value from futex_lock_pi() (Donghai Qiao) [1935108] {CVE-2021-3347}
- pf: Prohibit alu ops for pointer types not defining ptr_limit (Jiri Olsa) [1942689] {CVE-2020-27170}
- bpf: Add sanity check for upper ptr_limit (Jiri Olsa) [1942689] {CVE-2020-27170}
- bpf: Simplify alu_limit masking for pointer arithmetic (Jiri Olsa) [1942689] {CVE-2020-27170}
- bpf: Fix off-by-one for area size in creating mask to left (Jiri Olsa) [1942689] {CVE-2020-27170}
- vt: selection, close sel_buffer race (Chris von Recklinghausen) [1831034] {CVE-2020-8648}
- drm/i915: warn on guc enable about CVE (Dave Airlie) [1935277] {CVE-2020-12362}

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-2021-2314.html

Plugin Details

Severity: High

ID: 150447

File Name: oraclelinux_ELSA-2021-2314.nasl

Version: 1.5

Type: local

Agent: unix

Published: 6/10/2021

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2021-3347

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

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/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/10/2021

Vulnerability Publication Date: 2/6/2020

Reference Information

CVE: CVE-2020-12362, CVE-2020-12363, CVE-2020-12364, CVE-2020-27170, CVE-2020-8648, CVE-2021-3347