CVE-2018-20836

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2018-20836
An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.

8.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html Mailing List Third Party Advisory
http://www.securityfocus.com/bid/108196 Third Party Advisory VDB Entry
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae Patch Vendor Advisory
https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Aug/13 Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Aug/18 Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20190719-0003/ Third Party Advisory
https://support.f5.com/csp/article/K11225249 Third Party Advisory
https://usn.ubuntu.com/4076-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4495 Third Party Advisory
https://www.debian.org/security/2019/dsa-4497 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.1.0:*:*:*:*:*:*:*

Configuration 5 (hide)

OR cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*

Configuration 6 (hide)

OR cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
History

03 Nov 2022, 02:22

Type Values Removed Values Added
References (BUGTRAQ) https://seclists.org/bugtraq/2019/Aug/18 - (BUGTRAQ) https://seclists.org/bugtraq/2019/Aug/18 - Mailing List, Third Party Advisory
References (SUSE) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html - (SUSE) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html - Mailing List, Third Party Advisory
References (BID) http://www.securityfocus.com/bid/108196 - (BID) http://www.securityfocus.com/bid/108196 - Third Party Advisory, VDB Entry
References (UBUNTU) https://usn.ubuntu.com/4076-1/ - (UBUNTU) https://usn.ubuntu.com/4076-1/ - Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2019/dsa-4497 - (DEBIAN) https://www.debian.org/security/2019/dsa-4497 - Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html - (MLIST) https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html - Mailing List, Third Party Advisory
References (SUSE) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html - (SUSE) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html - Mailing List, Third Party Advisory
References (CONFIRM) https://support.f5.com/csp/article/K11225249 - (CONFIRM) https://support.f5.com/csp/article/K11225249 - Third Party Advisory
References (BUGTRAQ) https://seclists.org/bugtraq/2019/Aug/13 - (BUGTRAQ) https://seclists.org/bugtraq/2019/Aug/13 - Mailing List, Third Party Advisory
References (CONFIRM) https://security.netapp.com/advisory/ntap-20190719-0003/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20190719-0003/ - Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html - (MLIST) https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html - Mailing List, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2019/dsa-4495 - (DEBIAN) https://www.debian.org/security/2019/dsa-4495 - Third Party Advisory
CPE cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.1.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Information

Published : 2019-05-07 14:29

Updated : 2024-02-04 20:20

NVD link : CVE-2018-20836

Mitre link : CVE-2018-20836

CVE.ORG link : CVE-2018-20836

JSON object : View

Products Affected

netapp

  • solidfire_\&_hci_management_node
  • active_iq_unified_manager
  • snapprotect
  • solidfire_\&_hci_storage_node
  • virtual_storage_console
  • vasa_provider_for_clustered_data_ontap
  • hci_compute_node
  • storage_replication_adapter_for_clustered_data_ontap

opensuse

  • leap

f5

  • traffix_signaling_delivery_controller

canonical

  • ubuntu_linux

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-416

Use After Free