CVE Vulnerability

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.

9.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.1 /10

CVSS v3.0 : 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

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

Configuration 1

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:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_&_hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:hci_compute_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:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Information

Published : 2019-05-07 02:29

Updated : 2022-11-03 02:22

NVD link : CVE-2018-20836

Mitre link : CVE-2018-20836

Products Affected
No products.
CWE
CWE-362

CWE-416