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CVE-2026-98575

unscored Published
NVD · CVE.org

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid() frame->ccid.datalen is read directly from the USB response frame and used, unchecked, as an index into frame->data[]. A malicious or malfunctioning device can set this field to an arbitrary value, causing the driver to read far outside the received buffer. Bound ccid.datalen against the maximum possible ACR122 frame size before using it. This replaces the existing datalen == 0 check, since datalen < 2 already covers that case and additionally rejects datalen == 1, which would still underflow the "datalen - 2" offset used below.

Fix

Microsoft's update · Low

  • Release Notes — azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 · build 6.6.159.1-1

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-11-01.

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. StatusReceived → PublishedNVD modified 2026-10-19 09:22
  2. First seenunscoredNVD modified 2026-10-19 10:19

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 8