CVE-2026-56923

In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

  • Published Sep 15, 2026
  • CVSS 6.4 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-56923 at the National Vulnerability Database