CVE-2026-23377: ice: change XDP RxQ frag_size from DMA write length to xdp.frame_sz

highCVSS 7.1CVE-2026-23377

CSIRTS triage

vendor: Intel product: ice driver Memory corruption

What: XDP RxQ fragment size incorrectly uses DMA write length instead of xdp.frame_sz, causing buffer management errors.
Who is affected: Systems using Intel ice network driver with XDP programs enabled.
Urgency: High priority; memory corruption in XDP processing path can lead to system instability or exploitation.
Action: Update to a patched Linux kernel or Intel ice driver version that corrects XDP fragment size handling.

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

⚡ Watch ice driver

Get an email when a new ice driver advisory drops — max one per day, one-click unsubscribe.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23377

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-2026-233770.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-23377	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.

highCVE-2026-72425: In the Linux kernel, the following vulnerability has been resolved: ice: fix FDIR CTRL VSI res…nvd · 2026-08-15
unknownCVE-2026-68292: In the Linux kernel, the following vulnerability has been resolved: ice: prevent tstamp ring a…nvd · 2026-08-10
unknownCVE-2026-68133: In the Linux kernel, the following vulnerability has been resolved: ice: fix PTP Call Trace du…nvd · 2026-08-10
highCVE-2026-68128: In the Linux kernel, the following vulnerability has been resolved: ice: reject out-of-range p…nvd · 2026-08-10
mediumCVE-2024-42107: ice: Don't process extts if PTP is disabledmsrc · 2026-08-06
mediumCVE-2024-42139: ice: Fix improper extts handlingmsrc · 2026-08-06