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Oracle Linux 8 : Unbreakable Enterprise kernel-container (ELSA-2022-9534)

high Nessus Plugin ID 162661

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Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9534 advisory.

 - KVM: x86/speculation: Disable Fill buffer clear within guests (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/speculation/mmio: Reuse SRBDS mitigation for SBDS (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/speculation/srbds: Update SRBDS mitigation selection (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data (Pawan Gupta) [Orabug:
 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/speculation/mmio: Enable CPU Fill buffer clearing on idle (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/speculation: Add a common function for MD_CLEAR mitigation update (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - Documentation: Add documentation for Processor MMIO Stale Data (Pawan Gupta) [Orabug: 34202258] {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
 - lockdown: also lock down previous kgdb use (Daniel Thompson) [Orabug: 34152698] {CVE-2022-21499}
 - io_uring: fix race between timeout flush and removal (Jens Axboe) [Orabug: 34115159] {CVE-2022-29582}
 - KVM: x86: avoid calling x86 emulator without a decoded instruction (Sean Christopherson) [Orabug:
 34205798] {CVE-2022-1852} {CVE-2022-1852}
 - perf: Fix sys_perf_event_open() race against self (Peter Zijlstra) [Orabug: 34172708] {CVE-2022-1729}
 - af_key: add __GFP_ZERO flag for compose_sadb_supported in function pfkey_register (Haimin Zhang) [Orabug: 34135342] {CVE-2022-1353}
 - KVM: avoid NULL pointer dereference in kvm_dirty_ring_push (Paolo Bonzini) [Orabug: 34048938] {CVE-2022-1263}
 - can: ems_usb: ems_usb_start_xmit(): fix double dev_kfree_skb() in error path (Hangyu Hua) [Orabug:
 34048326] {CVE-2022-28390}
 - can: usb_8dev: usb_8dev_start_xmit(): fix double dev_kfree_skb() in error path (Hangyu Hua) [Orabug:
 34048287] {CVE-2022-28388}
 - ALSA: pcm: Fix races among concurrent prealloc proc writes (Takashi Iwai) [Orabug: 34007904] {CVE-2022-1048}
 - ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls (Takashi Iwai) [Orabug:
 34007904] {CVE-2022-1048}
 - ALSA: pcm: Fix races among concurrent read/write and buffer changes (Takashi Iwai) [Orabug: 34007904] {CVE-2022-1048}
 - ALSA: pcm: Fix races among concurrent hw_params and hw_free calls (Takashi Iwai) [Orabug: 34007904] {CVE-2022-1048}
 - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address (Paolo Bonzini) [Orabug: 34034593] {CVE-2022-1158}
 - netfilter: nf_tables: validate registers coming from userspace. (Pablo Neira Ayuso) [Orabug: 34012906] {CVE-2022-1015}
 - netfilter: nf_tables: initialize registers in nft_do_chain() (Pablo Neira Ayuso) [Orabug: 34012923] {CVE-2022-1016}

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 kernel-uek-container and / or kernel-uek-container-debug packages.

See Also

https://linux.oracle.com/errata/ELSA-2022-9534.html

Plugin Details

Severity: High

ID: 162661

File Name: oraclelinux_ELSA-2022-9534.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/1/2022

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-2022-29582

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-2022-28390

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-container-debug, p-cpe:/a:oracle:linux:kernel-uek-container, cpe:/o:oracle:linux:8

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: 6/30/2022

Vulnerability Publication Date: 3/10/2022

Reference Information

CVE: CVE-2021-4095, CVE-2022-1015, CVE-2022-1263, CVE-2022-28388, CVE-2022-28390, CVE-2022-29582