CVE-2022-49534

MEDIUM

Linux Kernel < 5.18.3 - Use-After-Free in lpfc_ignore_els_cmpl and lpfc_els_rsp_reject

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Protect memory leak for NPIV ports sending PLOGI_RJT There is a potential memory leak in lpfc_ignore_els_cmpl() and lpfc_els_rsp_reject() that was allocated from NPIV PLOGI_RJT (lpfc_rcv_plogi()'s login_mbox). Check if cmdiocb->context_un.mbox was allocated in lpfc_ignore_els_cmpl(), and then free it back to phba->mbox_mem_pool along with mbox->ctx_buf for service parameters. For lpfc_els_rsp_reject() failure, free both the ctx_buf for service parameters and the login_mbox.

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 11.6%
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 (8)
linux/Kernel 2.6.23 - 5.18.3linux
Linux/Linux < 2.6.23
Linux/Linux 2.6.23
Linux/Linux 5.18.3 - 5.18.*
Linux/Linux 5.19
Linux/Linux 858c9f6c19c6f9bf86cbbc64ce0d17c61d6131b8 - 672d1cb40551ea9c95efad43ab6d45e4ab4e015f
Linux/Linux 858c9f6c19c6f9bf86cbbc64ce0d17c61d6131b8 - c00df0f34a6d5e14da379f96ea67e501ce67b002
linux/linux_kernel < 5.18.3
Published Feb 26, 2025
Tracked Since Feb 18, 2026