CVE-2026-23374: blktrace: fix __this_cpu_read/write in preemptible context

Overview

Severity
High (CVSS 8.4)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-26
Last Updated
2026-05-02
EPSS Score
0.01% (percentile: 3.1%)

Affected Products (4)

Open Source Software

  • azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
  • cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0

Other

  • 21248-17084

Revision History

  • 2026-03-26: Information published.
  • 2026-03-31: Information published.
  • 2026-04-26: Information published.
  • 2026-04-27: Information published.
  • 2026-04-29: Information published.
  • 2026-05-02: Information published.