7.8

CVE-2024-56605: linux Use After Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2024-56605DEBIAN-CVE-2024-56605
Published 27-12-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2024-56605 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.24%
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 121 · Related 118
DLA-4075-1DLA-4076-1MGASA-2025-0030MGASA-2025-0032RHSA-2025:6966SUSE-SU-2025:0117-1

Showing 100 of 123. Use Open JSON for the complete list.

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: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() bt_sock_alloc() allocates the sk object and attaches it to the provided sock object. On error l2cap_sock_alloc() frees the sk object, but the dangling pointer is still attached to the sock object, which may create use-after-free in other code.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.24%

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

Ubuntu135 products
  • linuxAll versions (No fix recorded) | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-58.60
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1142.152 | < 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≥ 49dfbb9129c4edb318578de35cc45c555df37884, < f6ad641646b67f29c7578dcd6c25813c7dcbf51e | ≥ 49dfbb9129c4edb318578de35cc45c555df37884, < daa13175a6dea312a76099066cb4cbd4fc959a84 | ≥ 49dfbb9129c4edb318578de35cc45c555df37884, < a8677028dd5123e5e525b8195483994d87123de4 | ≥ 49dfbb9129c4edb318578de35cc45c555df37884, < bb2f2342a6ddf7c04f9aefbbfe86104cd138e629 | ≥ 49dfbb9129c4edb318578de35cc45c555df37884, < 8ad09ddc63ace3950ac43db6fbfe25b40f589dd6 | ≥ 49dfbb9129c4edb318578de35cc45c555df37884, < 61686abc2f3c2c67822aa23ce6f160467ec83d35 | ≥ 49dfbb9129c4edb318578de35cc45c555df37884, < 7c4f78cdb8e7501e9f92d291a7d956591bf73be9 | 3.6
  • linux_kernel< 5.4.287 | ≥ 5.5, < 5.10.231 | ≥ 5.11, < 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 · 138 products

References

49 links
Show all 49 references