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 — Bluetooth: hci_core: Fix not checking skb length on hci_acldata_packet
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0029 21.4 —
AFFECTED
Product Versions Fixed
Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – —
Linux 2.6.12 – 5.15.174
TIMELINE
Dec 27 Reserved by Linux
Dec 27 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2024-56590 (Linux). CVSS 7.6 → 5.5 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_core: Fix not checking skb length on hci_acldata_packet
This fixes not checking if skb really contains an ACL header otherwise
the code may attempt to access some uninitilized/invalid memory past the
valid skb->data.
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-2024-56590 (Linux). CVSS 7.6 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | — |
| Linux | Linux | — | 2.6.12 | 5.15.174 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-56590 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.