CVE-2024-50153

CVE Details

Release Date:

2024-11-07

Description

In the Linux kernel, the following vulnerability has been resolved:\nscsi: target: core: Fix null-ptr-deref in target_alloc_device()\nThere is a null-ptr-deref issue reported by KASAN:\nBUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_mod]\n...\nkasan_report+0xb9/0xf0\ntarget_alloc_device+0xbc4/0xbe0 [target_core_mod]\ncore_dev_setup_virtual_lun0+0xef/0x1f0 [target_core_mod]\ntarget_core_init_configfs+0x205/0x420 [target_core_mod]\ndo_one_initcall+0xdd/0x4e0\n...\nentry_SYSCALL_64_after_hwframe+0x76/0x7e\nIn target_alloc_device(), if allocing memory for dev queues fails, then\ndev will be freed by dev->transport->free_device(), but dev->transport\nis not initialized at that time, which will lead to a null pointer\nreference problem.\nFixing this bug by freeing dev with hba->backend->ops->free_device().

See more information about CVE-2024-50153 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:	None
Integrity:	None
Availability:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (kernel-uek)	ELSA-2024-12887	2024-12-18
Oracle Linux version 9 (kernel-uek)	ELSA-2024-12887	2024-12-18