CVE-2026-43348
kernel: mshv_vtl: Fix vmemmap_shift exceeding MAX_FOLIO_ORDER
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Severity
UnknownRed Hat Product Security
CVSS
Review impact separately from score.
Published · May 8, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's mshv_vtl component. When registering VTL0 memory, an issue with memory mapping calculations can cause the system to trigger a warning and return an invalid argument error. This could lead to system instability or a denial of service (DoS), preventing legitimate memory operations.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-1285 · Improper Validation of Specified Index, Position, or Offset in Input