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CVE-2022-3534

Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free

HIGH

8

CVSS Score

Published: October 17, 2022 at 12:00 AM UTC

Updated: October 14, 2026 at 02:17 PM UTC

2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity

HIGH8

Exploit prediction

EPSS 1.0%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux · Debiandrupal

95%

Linux Kernel · Linux

95%

5.10 ≤ v < 5.10.1635.11 ≤ v < 5.15.865.16 ≤ v < 6.0.166.1 ≤ v < 6.1.25.10.162 5.15.0 5.15.1 5.15.10 5.15.11 5.15.12 5.15.13 5.15.14 5.15.15 5.15.16 5.15.17 5.15.18 5.15.19 5.15.2 5.15.20 5.15.21 5.15.22 5.15.23 5.15.24 5.15.25 5.15.26 5.15.27 5.15.28 5.15.29 5.15.3 5.15.30 5.15.31 5.15.32 5.15.33 5.15.34 5.15.35 5.15.36 5.15.37 5.15.38 5.15.39 5.15.4 5.15.40 5.15.41 5.15.42 5.15.43 5.15.44 5.15.45 5.15.46 5.15.47 5.15.48 5.15.49 5.15.5 5.15.50 5.15.51 5.15.52 5.15.53 5.15.54 5.15.55 5.15.56 5.15.57 5.15.58 5.15.59 5.15.6 5.15.60 5.15.61 5.15.62 5.15.63 5.15.64 5.15.65 5.15.66 5.15.67 5.15.68 5.15.69 5.15.7 5.15.70 5.15.71 5.15.72 5.15.73 5.15.74 5.15.75 5.15.76 5.15.77 5.15.78 5.15.79 5.15.8 5.15.80 5.15.81 5.15.82 5.15.83 5.15.84 5.15.85 5.15.9 6.0.0 6.0.1 6.0.10 6.0.11 6.0.12 6.0.13 6.0.14 6.0.15 6.0.2 6.0.3 6.0.4 6.0.5 6.0.6 6.0.7 6.0.8 6.0.9 6.1.0 6.1.1

Vendor states this is fixed in 5.10.163 (unaffected)

Vendor states this is fixed in 5.15.86 (unaffected)

Vendor states this is fixed in 6.0.16 (unaffected)

Vendor states this is fixed in 6.1.2 (unaffected)

Vendor states this is fixed in 6.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=93c660ca40b5d2f7c1b1626e955a8e9fa30e0749

References (8)

PatchVendor Advisory

Source: [email protected]

https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=93c660ca40b5d2f7c1b1626e955a8e9fa30e0749

Permissions RequiredThird Party Advisory

Source: [email protected]

https://vuldb.com/?id.211032

VDB EntryTechnical DescriptionThird Party Advisory

Source: cverecord

https://vuldb.com/vuln/211032

SignaturePermissions RequiredThird Party AdvisoryVDB Entry

Source: cverecord

https://vuldb.com/vuln/211032/cti

Third Party AdvisoryVDB Entry

Source: cverecord

https://vuldb.com/cve/CVE-2022-3534

Product

Source: cverecord

https://www.kernel.org/

Mailing ListThird Party Advisory

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2025/04/msg00033.html

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

https://cert-portal.siemens.com/productcert/html/ssa-794697.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGH[email protected]

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-119CWE-416

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