CVE-2026-53215: net: mvpp2: refill RX buffers before XDP or skb use

highCVSS 7.8CVE-2026-53215

CSIRTS triage

vendor: null product: nullOtheraffected: null

What: The vulnerability involves the refill of RX buffers before XDP or skb use.
Who is affected: Deployments using the affected net stack.
Urgency: Remediation is urgent due to the high severity rating of 7.8.
Action: Apply the patch for CVE-2026-53215.

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: high — CVSS 7.8
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53215

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-2026-532150.55% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53215	coverage & exploitation status	NVD · CVE.org

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