Is CVE-2021-34373 in the CISA KEV catalog?

No. CVE-2021-34373 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34373?

CVE-2021-34373 has a CVSS v3 base score of 7.9 (HIGH).

What is the EPSS score for CVE-2021-34373?

CVE-2021-34373 has an EPSS score of 0.25% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34373?

Upgrade jetson linux to 32.5.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-34373

HIGH

7.9

CVSS v3

NVD

Description

Trusty trusted Linux kernel (TLK) contains a vulnerability in the NVIDIA TLK kernel where a lack of heap hardening could cause heap overflows, which might lead to information disclosure and denial of service.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

jetson linuxNVD

Affected:< 32.5.1Fixed in:32.5.1CVE-2021-34373derived from NVD

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 InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Vendor Advisory1

nvidia.custhelp.com

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.