CVE-2024-46842: scsi: lpfc: Handle mailbox timeouts in lpfc_get_sfp_info

mediumCVSS 5.5CVE-2024-46842

CSIRTS triage

vendor: Linux product: Linux Kernel Denial of service

What: Missing mailbox timeout handling in the lpfc SCSI driver.
Who is affected: Systems using Emulex/Broadcom FC HBA adapters with the lpfc driver.
Urgency: Medium priority; unhandled timeouts can cause driver hangs or system instability.
Action: Apply the kernel patch handling mailbox timeouts in lpfc_get_sfp_info.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-46842

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2024-468420.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-46842	coverage & exploitation status	NVD · CVE.org

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