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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2021-9473)

high Nessus Plugin ID 153964

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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-2021-9473 advisory.

 - ocfs2: subsystem.su_mutex is required while accessing the item->ci_parent (alex chen) [Orabug:
 29184589] {CVE-2017-18216}
 - bcache: fix potential deadlock problem in btree_gc_coalesce (Zhiqiang Liu) {CVE-2020-12771}
 - filldir[64]: remove WARN_ON_ONCE() for bad directory entries (Linus Torvalds) [Orabug: 31351271] {CVE-2019-10220}
 - Make filldir[64]() verify the directory entry filename is valid (Linus Torvalds) [Orabug: 31351271] {CVE-2019-10220}
 - ath9k: release allocated buffer if timed out (Navid Emamdoost) [Orabug: 31351559] {CVE-2019-19074}
 - scsi: bfa: release allocated memory in case of error (Navid Emamdoost) [Orabug: 31351615] {CVE-2019-19066}
 - rtlwifi: prevent memory leak in rtl_usb_probe (Navid Emamdoost) [Orabug: 31351626] {CVE-2019-19063}
 - perf/core: Fix perf_event_open() vs. execve() race (Peter Zijlstra) [Orabug: 31351766] {CVE-2019-3901}
 - l2tp: pass tunnel pointer to ->session_create() (Guillaume Nault) [Orabug: 31352004] {CVE-2018-9517}
 - fs/namespace.c: fix mountpoint reference counter race (Piotr Krysiuk) [Orabug: 31350976] {CVE-2020-12114} {CVE-2020-12114}
 - btrfs: only search for left_info if there is no right_info in try_merge_free_space (Josef Bacik) [Orabug: 31351025] {CVE-2019-19448} {CVE-2019-19448}
 - cfg80211: wext: avoid copying malformed SSIDs (Will Deacon) [Orabug: 31351800] {CVE-2019-17133}
 - vhost_net: fix possible infinite loop (Jason Wang) [Orabug: 31351950] {CVE-2019-3900} {CVE-2019-3900}
 - vhost: introduce vhost_exceeds_weight() (Jason Wang) [Orabug: 31351950] {CVE-2019-3900}
 - vhost_net: introduce vhost_exceeds_weight() (Jason Wang) [Orabug: 31351950] {CVE-2019-3900}
 - vhost_net: use packet weight for rx handler, too (Paolo Abeni) [Orabug: 31351950] {CVE-2019-3900}
 - vhost-net: set packet weight of tx polling to 2 * vq size (haibinzhang) [Orabug: 31351950] {CVE-2019-3900}
 - mac80211: extend protection against mixed key and fragment cache attacks (Wen Gong) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147} {CVE-2020-24586} {CVE-2020-24587}
 - mac80211: do not accept/forward invalid EAPOL frames (Johannes Berg) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147}
 - mac80211: prevent attacks on TKIP/WEP as well (Johannes Berg) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147}
 - mac80211: check defrag PN against current frame (Johannes Berg) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147}
 - mac80211: add fragment cache to sta_info (Johannes Berg) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147}
 - mac80211: drop A-MSDUs on old ciphers (Johannes Berg) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147} {CVE-2020-24588}
 - cfg80211: mitigate A-MSDU aggregation attacks (Mathy Vanhoef) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147} {CVE-2020-24588}
 - mac80211: properly handle A-MSDUs that start with an RFC 1042 header (Mathy Vanhoef) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147}
 - mac80211: prevent mixed key and fragment cache attacks (Mathy Vanhoef) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147} {CVE-2020-24587} {CVE-2020-24586}
 - mac80211: assure all fragments are encrypted (Mathy Vanhoef) [Orabug: 33009788] {CVE-2020-24586} {CVE-2020-26139} {CVE-2020-24587} {CVE-2020-24588} {CVE-2020-26139} {CVE-2020-26140} {CVE-2020-26141} {CVE-2020-26142} {CVE-2020-26143} {CVE-2020-26144} {CVE-2020-26145} {CVE-2020-26146} {CVE-2020-26147} {CVE-2020-26147}
 - sctp: validate from_addr_param return (Marcelo Ricardo Leitner) [Orabug: 33198409] {CVE-2021-3655}
 - virtio_console: Assure used length from device is limited (Xie Yongji) [Orabug: 33209274] {CVE-2021-38160}
 - net_sched: cls_route: remove the right filter from hashtable (Cong Wang) [Orabug: 33326887] {CVE-2021-3715}
 - HID: make arrays usage and value to be the same (Will McVicker) [Orabug: 33326939] {CVE-2021-0512}
 - ext4: fix race writing to an inline_data file while its xattrs are changing (Theodore Ts'o) [Orabug:
 33327200] {CVE-2021-40490}
 - cfg80211: Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODE (Srinivas Dasari) [Orabug: 31351335] {CVE-2017-11089}
 - l2tp: fix l2tp_eth module loading (Guillaume Nault) [Orabug: 33114384] {CVE-2020-27067}
 - af_key: pfkey_dump needs parameter validation (Mark Salyzyn) [Orabug: 33114539] {CVE-2021-0605}
 - af_key: Add lock to key dump (Yuejie Shi) [Orabug: 33114539] {CVE-2021-0605}
 - Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl (Alexander Larkin) [Orabug:
 33114989] {CVE-2021-3612}
 - Input: joydev - prevent potential read overflow in ioctl (Dan Carpenter) [Orabug: 33114989] {CVE-2021-3612}
 - tracing: Fix bug in rb_per_cpu_empty() that might cause deadloop. (Haoran Luo) [Orabug: 33198437] {CVE-2021-3679}

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-2021-9473.html

Plugin Details

Severity: High

ID: 153964

File Name: oraclelinux_ELSA-2021-9473.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/8/2021

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: High

Base Score: 9.3

Temporal Score: 7.3

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

CVSS Score Source: CVE-2019-10220

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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-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: 10/8/2021

Vulnerability Publication Date: 4/25/2016

Reference Information

CVE: CVE-2017-18216, CVE-2018-9517, CVE-2019-10220, CVE-2019-19063, CVE-2019-19066, CVE-2019-19074, CVE-2019-3901, CVE-2020-12771