CVE-2018-20836
linux - security update
8.1
HIGH
CVSS 3.1
EPSS 5.1%
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.
How to fix CVE-2018-20836
To remediate CVE-2018-20836, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 5.2.6-1 or later
- —upgrade to 4.19.37-5+deb10u2 or later
Is CVE-2018-20836 being exploited?
Moderate — EPSS is 5.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 5.2.6-1
- from 0, < 4.19.37-5+deb10u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |