CVE-2022-3534

2022-10-1700:00:00

ubuntu.com

8 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

5.2 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

8.1%

JSON

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.

Notes

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

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchdwarves-dfsg< 1.21-0ubuntu1~18.04.1+esm1UNKNOWN
ubuntu20.04noarchdwarves-dfsg< 1.21-0ubuntu1~20.04.1UNKNOWN
ubuntu16.04noarchdwarves-dfsg< anyUNKNOWN
ubuntu20.04noarchlibbpf< 0.5.0-1~ubuntu20.04.1+esm1UNKNOWN
ubuntu22.04noarchlibbpf< 0.5.0-1ubuntu22.04.1UNKNOWN
ubuntu22.10noarchlibbpf< 0.8.0-1ubuntu22.10.1UNKNOWN
ubuntu23.04noarchlibbpf< 1.0.1-2ubuntu1UNKNOWN
ubuntu23.10noarchlibbpf< 1.0.1-2ubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	dwarves-dfsg	< 1.21-0ubuntu1~18.04.1+esm1	UNKNOWN
ubuntu	20.04	noarch	dwarves-dfsg	< 1.21-0ubuntu1~20.04.1	UNKNOWN
ubuntu	16.04	noarch	dwarves-dfsg	< any	UNKNOWN
ubuntu	20.04	noarch	libbpf	< 0.5.0-1~ubuntu20.04.1+esm1	UNKNOWN
ubuntu	22.04	noarch	libbpf	< 0.5.0-1ubuntu22.04.1	UNKNOWN
ubuntu	22.10	noarch	libbpf	< 0.8.0-1ubuntu22.10.1	UNKNOWN
ubuntu	23.04	noarch	libbpf	< 1.0.1-2ubuntu1	UNKNOWN
ubuntu	23.10	noarch	libbpf	< 1.0.1-2ubuntu1	UNKNOWN