CVE-2021-45940

libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
libbpf_projectlibbpf
0.6.0
libbpf_projectlibbpf
0.6.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libbpf
bullseye
postponed
bookworm
1.1.0-1
fixed
sid
1.4.6-1
fixed
trixie
1.4.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libbpf
kinetic
Fixed 0.8.0-1ubuntu22.10.1
released
jammy
not-affected
impish
ignored
hirsute
ignored
focal
not-affected
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml