Linux Kernel KVM s390 VSIE Shadow Fault Handler Missing radix_tree_preload Call Can Block Forward Progress Under Memory Pressure During Fault Handling

Last refreshed2026-09-28

Status: NEW | Advisory ID: CVE-2026-72293

Key Details

CVE	CVE-2026-72293

In the Linux kernel, the following vulnerability has been resolved:

KVM: s390: vsie: Add missing radix_tree_preload() in _gaccess_shadow_fault()

Add missing radix_tree_preload() in _gaccess_shadow_fault() to

guarantee forward progress. The core of _gaccess_shadow_fault() has

been split into ___gaccess_shadow_fault() in order to simplify locking. (NVD)

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-72293
CVE	https://www.cve.org/CVERecord?id=CVE-2026-72293

Source

Reference

NVD

CVE