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CVE WatchJul 27, 2026

CVE-2026-64520

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Bound PARTITION_INFO_GET_REGS copies The register-b

CVSS

8.4

High

EPSS

0.1%

p3

KEV

—

Exploit Today

1

0-100

Published: Jul 25, 2026 · Last modified: Jul 27, 2026

EPSS · 30d
0.1%EPSS · 30 days0.1%
2026-08-042026-08-31
Technical description

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Bound PARTITION_INFO_GET_REGS copies The register-based PARTITION_INFO_GET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index progressions so the copy loop cannot write past the allocated array. (fixed cur_idx when exactly one descriptor in the first fragment)

Official references
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