What is CVE-2020-36558?

CVE-2020-36558 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.1/10. Published 2022-07-21.

How severe is CVE-2020-36558?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Is CVE-2020-36558 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Linux Kernel

CVE-2020-36558

A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault.

Vulnerability class: Race Condition

EPSS: 0.003 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux Linux_kernel
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (Exploit, Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Patch, x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-36558?: CVE-2020-36558 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.1/10. Published 2022-07-21.
How severe is CVE-2020-36558?: Medium severity. CVSS v3 base score is 5.1 out of 10.
Is CVE-2020-36558 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.