Is CVE-2020-14416 in the CISA KEV catalog?

No. CVE-2020-14416 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-14416?

CVE-2020-14416 has a CVSS v3 base score of 4.2 (MEDIUM).

What is the EPSS score for CVE-2020-14416?

CVE-2020-14416 has an EPSS score of 0.32% (24th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-14416?

Upgrade linux on debian 11 to 5.4.19-1 or later. Fixes are available for 11 affected products.

CVE & CISA-KEV Catalog

CVE-2020-14416

MEDIUM

4.2

CVSS v3

NVD

Description

In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c.

CWE-362Race Condition CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:5.4.19-1CVE-2020-14416

awsUbuntu

Fixed in:4.4.0-1098LSN-0069-1

Fixed in:4.15.0-1054LSN-0069-1

Fixed in:5.4.0-1009LSN-0069-1

azureUbuntu

Fixed in:5.4.0-1010LSN-0069-1

gcpUbuntu

Fixed in:5.4.0-1009LSN-0069-1

generic-4.15Ubuntu

Fixed in:4.15.0-69LSN-0069-1

generic-4.4Ubuntu

Fixed in:4.4.0-168LSN-0069-1

generic-5.4Ubuntu

Fixed in:5.4.0-26LSN-0069-1

lowlatency-4.15Ubuntu

Fixed in:4.15.0-69LSN-0069-1

lowlatency-4.4Ubuntu

Fixed in:4.4.0-168LSN-0069-1

lowlatency-5.4Ubuntu

Fixed in:5.4.0-26LSN-0069-1

oemUbuntu

Fixed in:4.15.0-1063LSN-0069-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.32%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Patch2

Vendor Advisory1

cdn.kernel.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.