Is CVE-2022-3534 in the CISA KEV catalog?

No. CVE-2022-3534 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-3534?

CVE-2022-3534 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-3534?

CVE-2022-3534 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-3534?

Upgrade libbpf on debian 11 to 0.3-2+deb11u1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2022-3534

MEDIUM

5.5

CVSS v3

NVD

Description

A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032.

CWE-119Buffer Overflow CWE-416Use After Free

How to fix

Remediation Available

libbpfDebian

Fixed in:0.3-2+deb11u1CVE-2022-3534

Fixed in:1.1.0-1CVE-2022-3534

dwarvesUbuntu

Fixed in:1.21-0ubuntu1~18.04.1+esm1USN-6215-1

Fixed in:1.21-0ubuntu1~20.04.1USN-6215-1

dwarves-dfsgUbuntu

Fixed in:1.21-0ubuntu1~18.04.1+esm1USN-6215-1

Fixed in:1.21-0ubuntu1~20.04.1USN-6215-1

libbpfUbuntu

Fixed in:0.5.0-1~ubuntu20.04.1+esm1USN-5759-2

Fixed in:0.5.0-1ubuntu22.04.1USN-5759-1

Fixed in:0.8.0-1ubuntu22.10.1USN-5759-1

libbpf-devUbuntu

Fixed in:1:0.5.0-1ubuntu22.04.1USN-5759-1

Fixed in:1:0.8.0-1ubuntu22.10.1USN-5759-1

libbpf0Ubuntu

Fixed in:1:0.5.0-1~ubuntu20.04.1+esm1USN-5759-2

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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.53%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Patch1

git.kernel.org

Third-Party Advisory1

vuldb.com

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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 2025-11-03.