CVE-2026-80572: Input: byd - synchronize timer deletion before freeing private data

mediumCVSS 4.7CVE-2026-80572

CSIRTS triage

vendor: Linux product: Linux kernel Memory corruption

What: BYD input driver does not synchronize timer deletion before freeing private data, risking use-after-free.
Who is affected: Systems with BYD touchpad driver enabled.
Urgency: Medium severity (CVSS 4.7); patch within standard update cycle.
Action: Apply the kernel patch that synchronizes timer deletion before freeing private data.

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 4.7
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80572

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-2026-805720.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-80572	coverage & exploitation status	NVD · CVE.org

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