CVEvulnerability

CVE-2018-20836

8.1 HIGH Published 2019-05-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-05-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-362, CWE-416

Description

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.

Affected configurations

• linux linux kernel (< 3.16.72) • linux linux kernel (>= 3.17 < 3.18.140) • linux linux kernel (>= 3.19 < 4.4.180) • linux linux kernel (>= 4.5 < 4.9.175) • linux linux kernel (>= 4.10 < 4.14.118) • linux linux kernel (>= 4.15 < 4.19.42) • canonical ubuntu linux 16.04 • debian debian linux 8.0 • debian debian linux 9.0 • debian debian linux 10.0 • f5 traffix signaling delivery controller 5.0.0 • f5 traffix signaling delivery controller 5.1.0 • netapp active iq unified manager (>= 9.5) • netapp snapprotect • netapp solidfire \& hci management node • netapp solidfire \& hci storage node • netapp storage replication adapter for clustered data ontap • netapp vasa provider for clustered data ontap (>= 7.2) • netapp virtual storage console (>= 7.2) • netapp hci compute node • opensuse leap 15.0 • opensuse leap 15.1

Related

Weakness · CWE (2)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
  • CWE-416 Use After Free weakness

References