CVE-2022-48703

CVE Details

Release Date:

2024-05-03

Description

In the Linux kernel, the following vulnerability has been resolved:\nthermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR\nIn some case, the GDDV returns a package with a buffer which has\nzero length. It causes that kmemdup() returns ZERO_SIZE_PTR (0x10).\nThen the data_vault_read() got NULL point dereference problem when\naccessing the 0x10 value in data_vault.\n[ 71.024560] BUG: kernel NULL pointer dereference, address:\n0000000000000010\nThis patch uses ZERO_OR_NULL_PTR() for checking ZERO_SIZE_PTR or\nNULL value in data_vault.

See more information about CVE-2022-48703 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14