CVE-2026-68241

CVE CVE-2026-68241EUVD EUVD-2026-55342Published 2026-08-10T12:01:07.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: drm/i915/mst: limit DP MST ESI service loop The loop in intel_dp_check_mst_status() keeps servicing interrupts originating from the sink without bound. Add an upper bound to the new interrupts occurring during interrupt processing to not get stuck on potentially stuck sink devices. Use arbitrary 32 tries to clear incoming interrupts in one go. Discovered using AI-assisted static analysis confirmed by Intel Product Security. Note: The condition likely pre-dates the commit in the Fixes: tag, but this is about as far back as a backport has any chance of succeeding. Before that, the retry had a goto. (cherry picked from commit b4ea5272133059acb493cc36599071a9e852ec2e)

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux patch: 6.18.42; 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7 <005771c18c5b2c98cb4e7517661aea460990fd3f; patch: 0; 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7 <9061fbf2230b6fcef042a6f637beae57c2fc93a5; 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7 <e3bcd3bf7eeca9570b9fa0b2f8a602c7bcc6b0d0; patch: 7.2-rc3; 5.8; patch: 7.1.6

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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