CVE-2024-42139: ice: Fix improper extts handling

mediumCVSS 5.5CVE-2024-42139

CSIRTS triage

vendor: Linux product: Linux Kernel Denial of service

What: Intel ICE network driver improperly handles external timestamp (extts) interrupts.
Who is affected: Systems using Intel ICE network adapters with external timestamp functionality.
Urgency: Medium priority; not currently exploited but may cause driver instability.
Action: Update to patched Linux kernel version when available.

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

⚡ Watch Linux Kernel

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

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-42139

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-2024-421390.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-42139	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-2024-46765: ice: protect XDP configuration with a mutexmsrc · 2026-08-06
highCVE-2026-23377: ice: change XDP RxQ frag_size from DMA write length to xdp.frame_szmsrc · 2026-08-06