IM
IronMonkey Threat Research

CVE-2022-3534 HIGH

Published: 2022-10-17 | Last Modified: 2026-08-26 | Status: Analyzed

Description

A vulnerability has been found in Linux Kernel up to 5.10.162/5.15.85/6.0.15/6.1.1. The impacted element 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. Upgrading to version 5.10.163, 5.15.86, 6.0.16, 6.1.2 and 6.2 is sufficient to resolve this issue. The identifier of the patch is c61650b869e0b6fb0c0a28ed42d928eea969afc8/fbe08093fb2334549859829ef81d42570812597d/8c64a8e76eb85d422af5ec60ccbf26e3ead8c333/a733bf10198eb5bb927890940de8ab457491ed3b/93c660ca40b5d2f7c1b1626e955a8e9fa30e0749. You should upgrade the affected component.

Additional Descriptions (1)

Se ha encontrado una vulnerabilidad clasificada como crítica en el Kernel de Linux. Está afectada la función btf_dump_name_dups del archivo tools/lib/bpf/btf_dump.c del componente libbpf. La manipulación conlleva a un uso de memoria previamente liberada. Es recomendado aplicar un parche para corregir este problema. El identificador de esta vulnerabilidad es VDB-211032

CVSS Metrics

Base Score: 8.0 (HIGH)

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

Attack VectorADJACENT_NETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 2.1

Impact Score: 5.9

Base Score: 4.9 (MEDIUM)

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

Access VectorADJACENT_NETWORK
Access ComplexityMEDIUM
AuthenticationSINGLE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Secondary

Exploitability Score: 4.4

Impact Score: 6.4

Base Score: 5.1 (MEDIUM)

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack VectorADJACENT
Attack ComplexityLOW
Attack RequirementsNONE
Privileges RequiredLOW
User InteractionNONE
Vulnerability ConfidentialityLOW
Vulnerability IntegrityLOW
Vulnerability AvailabilityLOW
Subsequent ConfidentialityNONE
Subsequent IntegrityNONE
Subsequent AvailabilityNONE

Source: [email protected]

Type: Secondary

Weaknesses

Source Type Description
[email protected] Primary
en CWE-119
en CWE-416
[email protected] Secondary
en CWE-416

Affected Products

Vendor Product Version Update Type
debian debian_linux 11.0 <built-in method update of dict object at 0x7fd340a3a700> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2a0505140> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2a0505ec0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2a0504c40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd340a3b780> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References