CVE-2021-45940
libbpf: 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...
CVE-2021-45940 is fixed in libbpf on 1 platform, first by DEBIAN-CVE-2021-45940, released January 1, 2022. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0125
69th percentile
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).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libbpf · Debian 12.15 (bookworm) | 0.7.0-2 | DEBIAN-CVE-2021-45940 | Jan 1, 2022 |
| libbpf · Debian 13.5 (trixie) | 0.7.0-2 | DEBIAN-CVE-2021-45940 | Jan 1, 2022 |
| libbpf · Debian 14 | 0.7.0-2 | DEBIAN-CVE-2021-45940 | Jan 1, 2022 |
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