CVE-2026-53009: ice: fix double-free of tx_buf skb

criticalCVSS 9.8CVE-2026-53009

CSIRTS triage

Memory corruption

What: The vulnerability involves a double-free of tx_buf skb in the ice driver.
Who is affected: Deployments using the ice driver are affected.
Urgency: Remediation is critical urgency due to the critical severity rating.
Action: Patch the ice driver immediately.

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

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: critical — CVSS 9.8
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53009

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-2026-530090.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53009	coverage & exploitation status	NVD · CVE.org

Recent advisories for ice

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-53289: In the Linux kernel, the following vulnerability has been resolved: ice: fix NULL pointer dere…nvd · 2026-06-26
mediumCVE-2026-53289: ice: fix NULL pointer dereference in ice_reset_all_vfs()msrc · 2026-06-09