CVE-2026-64520
N/A
N/A
Summary
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)
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | ba85c644ac8dc37d9b01a3332c2f142cb4d46954 < f39bc7ebe75e2186b417a024a7f7e2fd4cc7eb95 | affected |
| Linux | Linux | ba85c644ac8dc37d9b01a3332c2f142cb4d46954 < 79d95c02ae0a95e6e80e8e92b7ca74ecee02854f | affected |
| Linux | Linux | ba85c644ac8dc37d9b01a3332c2f142cb4d46954 < 3974ea1938406f9bfa7c1f48d4e43533f447bb08 | affected |
| Linux | Linux | 6.12 | affected |
| Linux | Linux | 0 < 6.12 | unaffected |
| Linux | Linux | 6.18.34 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.11 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/f39bc7ebe75e2186b417a024a7f7e2fd4cc7eb95
- https://git.kernel.org/stable/c/79d95c02ae0a95e6e80e8e92b7ca74ecee02854f
- https://git.kernel.org/stable/c/3974ea1938406f9bfa7c1f48d4e43533f447bb08
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