7.8

CVE-2024-56606: linux Use After Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2024-56606DEBIAN-CVE-2024-56606
Published 27-12-2024Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2024-56606 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.2% 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
0.25%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 54 · Related 52
DLA-4075-1DLA-4076-1MGASA-2025-0030MGASA-2025-0032SUSE-SU-2025:0236-1SUSE-SU-2025:0289-1

Timeline

  1. 27-12-2024
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: af_packet: avoid erroring out after sock_init_data() in packet_create() After sock_init_data() the allocated sk object is attached to the provided sock object. On error, packet_create() frees the sk object leaving the dangling pointer in the sock object on return. Some other code may try to use this pointer and cause use-after-free.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

+0.01 pp

From 0.24% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.25%

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
  • linux< 4.4.0-277.311 | < 4.15.0-246.258 | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-58.60
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1151.157 | < 4.4.0-1189.204 | < 4.15.0-1188.201 | < 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≥ b013840810c221f2b0cf641d01531526052dc1fb, < 71b22837a5e55ac27d6a14b9cdf2326587405c4f | ≥ b013840810c221f2b0cf641d01531526052dc1fb, < 1dc1e1db927056cb323296e2294a855cd003dfe7 | ≥ b013840810c221f2b0cf641d01531526052dc1fb, < 132e615bb1d7cdec2d3cfbdec2efa630e923fd21 | ≥ b013840810c221f2b0cf641d01531526052dc1fb, < a6cf750b737374454a4e03a5ed449a3eb0c96414 | ≥ b013840810c221f2b0cf641d01531526052dc1fb, < 157f08db94123e2ba56877dd0ac88908b13a5dd0 | ≥ b013840810c221f2b0cf641d01531526052dc1fb, < fd09880b16d33aa5a7420578e01cd79148fa9829 | ≥ b013840810c221f2b0cf641d01531526052dc1fb, < 46f2a11cb82b657fd15bab1c47821b635e03838b | 3.14
  • 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

59 links
Show all 59 references