CVE-2024-44951: serial: sc16is7xx: fix TX fifo corruption

mediumCVSS 6.5CVE-2024-44951

CSIRTS triage

vendor: Linux product: Linux kernel Memory corruption

What: SC16IS7xx serial driver has a transmit FIFO corruption issue under certain conditions.
Who is affected: Devices using SC16IS7xx serial interface controller with the affected kernel driver.
Urgency: Medium severity; FIFO corruption can cause data loss and communication failures.
Action: Apply kernel patch fixing TX FIFO handling in sc16is7xx serial driver.

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 6.5
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-44951

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-2024-449510.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-44951	coverage & exploitation status	NVD · CVE.org

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