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CVE-2022-3534

Publication date 17 October 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.0 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
dwarves-dfsg 24.10 oracular Not in release
24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic 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
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support
libbpf 24.10 oracular
Fixed 1.0.1-2ubuntu1
24.04 LTS noble
Fixed 1.0.1-2ubuntu1
23.10 mantic
Fixed 1.0.1-2ubuntu1
23.04 lunar
Fixed 1.0.1-2ubuntu1
22.10 kinetic
Fixed 0.8.0-1ubuntu22.10.1
22.04 LTS jammy
Fixed 0.5.0-1ubuntu22.04.1
20.04 LTS focal
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support

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Notes

mdeslaur

introduced by: https://github.com/libbpf/libbpf/commit/7ac1547f32f060d84b06c74edbb2c6896cc07949

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libbpf

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)

Other references