CVE-2022-48782

In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problem route.c:425:4: warning: Use of memory after it is freed trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ When mctp_key_add() fails, key is freed but then is later used in trace_mctp_key_acquire(). Add an else statement to use the key only when mctp_key_add() is successful.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e	Mailing List Patch
https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b	Mailing List Patch
https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e	Mailing List Patch
https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b	Mailing List Patch

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

21 Nov 2024, 07:34

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e - Mailing List, Patch~~	() https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e - Mailing List, Patch
References	~~() https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b - Mailing List, Patch~~	() https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b - Mailing List, Patch

21 Aug 2024, 18:02

Type	Values Removed	Values Added
CWE		CWE-416
Summary		(es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mctp: corregir el use after free El análisis estático de Clang informa este problema route.c:425:4: advertencia: uso de la memoria después de liberarla trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Cuando mctp_key_add() falla, la clave se libera pero luego se usa en trace_mctp_key_acquire(). Agregue una declaración else para usar la clave solo cuando mctp_key_add() sea exitoso.
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.8
References	~~() https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e -~~	() https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e - Mailing List, Patch
References	~~() https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b -~~	() https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b - Mailing List, Patch
First Time		Linux linux Kernel Linux
CPE		cpe:2.3:o:linux:linux_kernel::::::::

16 Jul 2024, 12:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-07-16 12:15

Updated : 2024-11-21 07:34

NVD link : CVE-2022-48782

Mitre link : CVE-2022-48782

CVE.ORG link : CVE-2022-48782

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

7.8 /10