CVE-2022-3534
Publication date 17 October 2022
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| dwarves-dfsg | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal |
Fixed 1.21-0ubuntu1~20.04.1
|
|
| 18.04 LTS bionic |
Fixed 1.21-0ubuntu1~18.04.1+esm1
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Ignored | |
| libbpf | 24.04 LTS noble |
Fixed 1.0.1-2ubuntu1
|
| 22.04 LTS jammy |
Fixed 0.5.0-1ubuntu22.04.1
|
|
| 20.04 LTS focal |
Fixed 0.5.0-1~ubuntu20.04.1+esm1
|
|
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Ignored | |
| 14.04 LTS trusty | Ignored |
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mdeslaur
introduced by: https://github.com/libbpf/libbpf/commit/7ac1547f32f060d84b06c74edbb2c6896cc07949
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.0 · High
|
| Attack vector | Adjacent |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5759-1
- LibBPF vulnerabilities
- 5 December 2022
- USN-5759-2
- LibBPF vulnerabilities
- 8 December 2022
- USN-6215-1
- dwarves vulnerabilities
- 11 July 2023