OracleVM 3.4 : Unbreakable / etc (OVMSA-2021-0035)

high Nessus Plugin ID 154016
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


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


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

- 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)

- net: bonding: add new option arp_allslaves for arp_ip_target (Venkat Venkatsubra) [Orabug: 33039295]

- Revert 'uek-rpm: mark /etc/ files as %config' (aloktiw) [Orabug: 33359684]

- ksplice: Fix build warning with ksplice_sysctls (John Donnelly) [Orabug: 33365274]

- kvm:vmx Fix build error in kvm/vmx.c (John Donnelly) [Orabug: 33375485]

- vmscan: Fix build error in mm/vmscan.c (John Donnelly) [Orabug: 33375931]

- constify iov_iter_count and iter_is_iovec (Al Viro) [Orabug: 33381741]

- 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(&#x5F20 &#x6D77 &#x658C )) [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)

- x86/mm: Fix compiler warning in pageattr.c (John Donnelly) [Orabug: 33332673]

- security: Make inode argument of inode_getsecid non-const (Andreas Gruenbacher) [Orabug: 33337179]

- security: Make inode argument of inode_getsecurity non-const (Andreas Gruenbacher) [Orabug: 33337179]

- cfg80211: Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODE (Srinivas Dasari) [Orabug: 31351335] (CVE-2017-11089)

- ocfs2: issue zeroout to EOF blocks (Junxiao Bi) [Orabug:

- ocfs2: fix zero out valid data (Junxiao Bi) [Orabug:

- ocfs2: fix data corruption by fallocate (Junxiao Bi) [Orabug: 32974989]

- 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)

- dtrace: Corrects - warning: assignment makes pointer from integer without a cast (John Donnelly) [Orabug:


Update the affected kernel-uek / kernel-uek-firmware packages.

See Also

Plugin Details

Severity: High

ID: 154016

File Name: oraclevm_OVMSA-2021-0035.nasl

Version: 1.2

Type: local

Published: 10/12/2021

Updated: 10/14/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-10220


Risk Factor: High

Score: 7.4


Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:vm:kernel-uek:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:vm:kernel-uek-firmware:*:*:*:*:*:*:*

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/11/2021

Vulnerability Publication Date: 11/16/2017

Reference Information

CVE: CVE-2017-11089, CVE-2018-9517, CVE-2019-3900, CVE-2017-18216, CVE-2019-3901, CVE-2019-17133, CVE-2019-10220, CVE-2019-19063, CVE-2019-19066, CVE-2019-19074, CVE-2019-19448, CVE-2020-12114, CVE-2020-12771, CVE-2020-27067, CVE-2020-24588, CVE-2020-24587, CVE-2020-26144, CVE-2020-24586, CVE-2020-26139, CVE-2020-26145, CVE-2020-26143, CVE-2020-26142, CVE-2020-26140, CVE-2020-26147, CVE-2020-26146, CVE-2020-26141, CVE-2021-0605, CVE-2021-0512, CVE-2021-3612, CVE-2021-3655, CVE-2021-3679, CVE-2021-38160, CVE-2021-40490, CVE-2021-3715