CVSS 3.1
8.1 highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2018-20836
High (8.1). EPSS 5.1% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 5.1% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-362, CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- f5:traffix_signaling_delivery_controller
- linux:linux_kernel
- netapp:active_iq_unified_manager
- netapp:hci_compute_node
- 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
- netapp:virtual_storage_console
- opensuse:leap
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
- http://www.securityfocus.com/bid/108196
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae
- https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae