CVE-2022-48753

MEDIUM

Linux Kernel 5.16-5.16.4 - Use-After-Free in Independent Access Ranges Registration

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: block: fix memory leak in disk_register_independent_access_ranges kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by adding kobject_put(). Callback function blk_ia_ranges_sysfs_release() in kobject_put() can handle the pointer "iars" properly.

Scores

CVSS v3 5.5
EPSS 0.0018
EPSS Percentile 7.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (9)
linux/Kernel 5.16.0 - 5.16.5linux
Linux/Linux < 5.16
Linux/Linux 5.16
Linux/Linux 5.16.5 - 5.16.*
Linux/Linux 5.17
Linux/Linux a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 - 83114df32ae779df57e0af99a8ba6c3968b2ba3d
Linux/Linux a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 - fe4214a07e0b53d2af711f57519e33739c5df23f
linux/linux_kernel 5.17 rc1
linux/linux_kernel 5.16 - 5.16.5
Published Jun 20, 2024
Tracked Since Feb 18, 2026