7.6

CVE-2024-56590: linux Classic Buffer Overflow

CVSS: 7.6v3.1HighModified
AliasesUBUNTU-CVE-2024-56590DEBIAN-CVE-2024-56590
Published 27-12-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2024-56590 is a high (CVSS 7.6) Classic Buffer Overflow vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 38 · Related 36
DLA-4076-1MGASA-2025-0030MGASA-2025-0032RHSA-2025:6966SUSE-SU-2025:01600-1SUSE-SU-2025:0289-1

Timeline

  1. 27-12-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu136 products
  • linuxAll versions (No fix recorded) | < 5.15.0-135.146 | < 6.8.0-58.60
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1080.87 | < 6.8.0-1027.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 219960a48771b35a3857a491b955c31d6c33d581 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 559b1c7ac2e212a23b3833d3baf3bd957771d02e | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 5e50d12cc6e95e1fde08f5db6992b616f714b0fb | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 93a6160dc198ffe5786da8bd8588cfd17f53b29a | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 3fe288a8214e7dd784d1f9b7c9e448244d316b47 | 2.6.12
  • linux_kernel< 5.15.174 | ≥ 5.16, < 6.1.120 | ≥ 6.2, < 6.6.66 | ≥ 6.7, < 6.12.5
Debian1 product
  • linux< 6.1.123-1 | < 6.12.5-1

3 vendors · 139 products

References

35 links
Show all 35 references