No exploitation reportedFix available

CVE-2020-36385

Q: Is CVE-2020-36385 actively exploited?

Active exploitation of CVE-2020-36385 has not been confirmed. Its EPSS score was 1.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-36385?

CVE-2020-36385 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2021-06-07
Fixed in5.10
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

Timeline

dates in UTC

2021-06-0712:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-36385?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-36385?format=csv
TAXII collection of exploited CVEs
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Versions per branch

NVD

Linux linux kernel

Branch	Affected	Fixed in	Source
5.10	< 5.10	5.10	NVD

Netapp h300e firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Netapp h300s firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Linux linux kernel to 5.10

Advisories and patches

cdn.kernel.orgRelease Notes · Vendor Advisory
git.kernel.orgPatch · Vendor Advisory
sites.google.comPatch
syzkaller.appspot.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score1.5 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2021-06-07
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-36385?

Is CVE-2020-36385 actively exploited?

Active exploitation of CVE-2020-36385 has not been confirmed. Its EPSS score was 1.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36385?

CVE-2020-36385 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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