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CVE-2024-56590
Bluetooth: hci_core: Fix not checking skb length on hci_acldata_packet
High7.6EPSS 0.29%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Timeline
ID reserved
By Linux
Published
- 20 months later
· 20 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.6 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.29% · top 78% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.
Weakness
Affected products
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 219960a48771b35a3857a491b955c31d6c33d581
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 559b1c7ac2e212a23b3833d3baf3bd957771d02e
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 5e50d12cc6e95e1fde08f5db6992b616f714b0fb
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 93a6160dc198ffe5786da8bd8588cfd17f53b29a
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 3fe288a8214e7dd784d1f9b7c9e448244d316b47
- affected 2.6.12
- unaffected < 2.6.12
- unaffected 5.15.174 – ≤ 5.15.*
- unaffected 6.1.120 – ≤ 6.1.*
- unaffected 6.6.66 – ≤ 6.6.*
- unaffected 6.12.5 – ≤ 6.12.*
- unaffected 6.13 – ≤ *
References (6)
- https://git.kernel.org/stable/c/219960a48771b35a3857a491b955c31d6c33d581 (opens in a new tab)
- https://git.kernel.org/stable/c/559b1c7ac2e212a23b3833d3baf3bd957771d02e (opens in a new tab)
- https://git.kernel.org/stable/c/5e50d12cc6e95e1fde08f5db6992b616f714b0fb (opens in a new tab)
- https://git.kernel.org/stable/c/93a6160dc198ffe5786da8bd8588cfd17f53b29a (opens in a new tab)
- https://git.kernel.org/stable/c/3fe288a8214e7dd784d1f9b7c9e448244d316b47 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-56590)Record last updated .