Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Linux Linux — acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L H N U H N H 6.0 .0061 46.5 —
AFFECTED
Product Versions Fixed
Linux ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 – —
Linux 5.1 – 5.10.232
TIMELINE
Dec 27 Reserved by Linux
Dec 27 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2024-56662 (Linux). CVSS 7.8 → 6 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl
Fix an issue detected by syzbot with KASAN:
BUG: KASAN: vmalloc-out-of-bounds in cmd_to_func drivers/acpi/nfit/
core.c:416 [inline]
BUG: KASAN: vmalloc-out-of-bounds in acpi_nfit_ctl+0x20e8/0x24a0
drivers/acpi/nfit/core.c:459
The issue occurs in cmd_to_func when the call_pkg->nd_reserved2
array is accessed without verifying that call_pkg points to a buffer
that is appropriately sized as a struct nd_cmd_pkg. This can lead
to out-of-bounds access and undefined behavior if the buffer does not
have sufficient space.
To address this, a check was added in acpi_nfit_ctl() to ensure that
buf is not NULL and that buf_len is less than sizeof(*call_pkg)
before accessing it. This ensures safe access to the members of
call_pkg, including the nd_reserved2 array.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| December 27, 2024 | Reserved | Reserved by Linux |
| December 27, 2024 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2024-56662 (Linux). CVSS 7.8 → 6 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 | — |
| Linux | Linux | — | 5.1 | 5.10.232 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-56662 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.