Is CVE-2022-49536 in the CISA KEV catalog?

No. CVE-2022-49536 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-49536?

CVE-2022-49536 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-49536?

CVE-2022-49536 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-49536?

Upgrade linux on debian 12 to 5.18.5-1 or later.

CVE & CISA-KEV Catalog

CVE-2022-49536

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock During stress I/O tests with 500+ vports, hard LOCKUP call traces are observed. CPU A: native_queued_spin_lock_slowpath+0x192 _raw_spin_lock_irqsave+0x32 lpfc_handle_fcp_err+0x4c6 lpfc_fcp_io_cmd_wqe_cmpl+0x964 lpfc_sli4_fp_handle_cqe+0x266 __lpfc_sli4_process_cq+0x105 __lpfc_sli4_hba_process_cq+0x3c lpfc_cq_poll_hdler+0x16 irq_poll_softirq+0x76 __softirqentry_text_start+0xe4 irq_exit+0xf7 do_IRQ+0x7f CPU B: native_queued_spin_lock_slowpath+0x5b _raw_spin_lock+0x1c lpfc_abort_handler+0x13e scmd_eh_abort_handler+0x85 process_one_work+0x1a7 worker_thread+0x30 kthread+0x112 ret_from_fork+0x1f Diagram of lockup: CPUA CPUB ---- ---- lpfc_cmd->buf_lock phba->hbalock lpfc_cmd->buf_lock phba->hbalock Fix by reordering the taking of the lpfc_cmd->buf_lock and phba->hbalock in lpfc_abort_handler routine so that it tries to take the lpfc_cmd->buf_lock first before phba->hbalock.

CWE-667

How to fix

Remediation Available

linuxDebian

Fixed in:5.18.5-1CVE-2022-49536

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Patch4

Related Vulnerabilities

Other CWE-667 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-10072	High	7.5	73%	-	Fix
CVE-2002-1850	High	7.5	17%	-	Fix
CVE-2009-2699	High	7.5	14%	-	Fix
CVE-2004-0174	High	7.5	12%	-	-
CVE-2009-4272	High	7.5	11%	-	-
CVE-2020-24606	High	8.6	5.2%	-	Fix

Embed a live status badge for CVE-2022-49536

Markdown

[![CVE-2022-49536](https://tridentstack.com/cve/badge/CVE-2022-49536.svg)](https://tridentstack.com/cve/CVE-2022-49536)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-49536"><img src="https://tridentstack.com/cve/badge/CVE-2022-49536.svg" alt="CVE-2022-49536"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-01.