CVE-2026-58846

Summary

In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected Software

Weaknesses

• Elevation of privilege

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://android.googlesource.com/kernel/common/+/ad34d15396568919a8ddd306ce2120e76d111b7c
• https://source.android.com/docs/security/bulletin/2026/2026-09-01

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