CVE-2024-49852

CVE Details

Release Date:

2024-10-21

Description

In the Linux kernel, the following vulnerability has been resolved:\nscsi: elx: libefc: Fix potential use after free in efc_nport_vport_del()\nThe kref_put() function will call nport->release if the refcount drops to\nzero. The nport->release release function is _efc_nport_free() which frees\n'nport'. But then we dereference 'nport' on the next line which is a use\nafter free. Re-order these lines to avoid the use after free.

See more information about CVE-2024-49852 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:	7.8
Vector String:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality:	High
Integrity:	High
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