CVE-2024-36890

CVE Details

Release Date:	2024-05-30
Impact:	Moderate	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\nmm/slab: make __free(kfree) accept error pointers\nCurrently, if an automatically freed allocation is an error pointer that\nwill lead to a crash. An example of this is in wm831x_gpio_dbg_show().\n171char *label __free(kfree) = gpiochip_dup_line_label(chip, i);\n172if (IS_ERR(label)) {\n173dev_err(wm831x->dev, 'Failed to duplicate label\n');\n174continue;\n175 }\nThe auto clean up function should check for error pointers as well,\notherwise we're going to keep hitting issues like this.

See more information about CVE-2024-36890 from MITRE CVE dictionary and NIST NVD

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

CVSS v3 metrics

Base Score:	5.5
Vector String:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.1
Attack Vector:	Local
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 8 (kernel-uek)	ELSA-2024-12682	2024-09-23
Oracle Linux version 9 (kernel-uek)	ELSA-2024-12682	2024-09-23