CVE-2021-45941
Published: 1 January 2022
libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (8 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c).
Notes
| Author | Note |
|---|---|
| mdeslaur | same commit as CVE-2021-45940 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libbpf Launchpad, Ubuntu, Debian |
impish |
Ignored
(end of life)
|
| kinetic |
Released
(0.8.0-1ubuntu22.10.1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
|
| hirsute |
Ignored
(end of life)
|
|
| jammy |
Not vulnerable
(code not present)
|
|
| focal |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://github.com/libbpf/libbpf/commit/741277511035893c72a34df05da3b943afa747a4 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |