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CVE-2026-98413

unscored Published

In the Linux kernel, the following vulnerability has been resolved: selinux: always fill AVC decision in avc_has_perm_noaudit() avc_has_perm_noaudit() is documented to return a copy of the access decision in @avd, but its early return for an empty requested permission set leaves the buffer untouched. All callers pass an uninitialized stack variable and afterwards feed it to avc_audit(), and the inode hook even stores it in the per-task decision cache. Fill in a deny-all, audit-all decision, similar to avd_init(), so every caller receives a defined value at no cost on the hot path.

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 2026-10-29.

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 09:19
  2. First seenunscoredNVD modified 2026-10-14 14:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 8