7.3

CVE-2024-56637: linux Race Condition

CVSS: 7.3v3.1HighModified
AliasesUBUNTU-CVE-2024-56637DEBIAN-CVE-2024-56637
Published 27-12-2024Last modified 15-10-2026

Vulnerability summary

CVE-2024-56637 is a high (CVSS 7.3) Race Condition vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 6.9% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
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 47 · Related 45

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: netfilter: ipset: Hold module reference while requesting a module User space may unload ip_set.ko while it is itself requesting a set type backend module, leading to a kernel crash. The race condition may be provoked by inserting an mdelay() right after the nfnl_unlock() call.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

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≥ a7b4f989a629493bb4ec4a354def784d440b32c4, < e5e2d3024753fdaca818b822e3827614bacbdccf | ≥ a7b4f989a629493bb4ec4a354def784d440b32c4, < 6099b5d3e37145484fac4b8b4070c3f1abfb3519 | ≥ a7b4f989a629493bb4ec4a354def784d440b32c4, < 0e67805e805c1f3edd6f43adbe08ea14b552694b | ≥ a7b4f989a629493bb4ec4a354def784d440b32c4, < 5bae60a933ba5d16eed55c6b279be51bcbbc79b0 | ≥ a7b4f989a629493bb4ec4a354def784d440b32c4, < 90bf312a6b6b3d6012137f6776a4052ee85e0340 | ≥ a7b4f989a629493bb4ec4a354def784d440b32c4, < ba5e070f36682d07ca7ad2a953e6c9d96be19dca | ≥ a7b4f989a629493bb4ec4a354def784d440b32c4, < 456f010bfaefde84d3390c755eedb1b0a5857c3c | 2.6.39
  • linux_kernel≥ 2.6.39, < 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 | 6.13:rc1
Debian1 product
  • linux< 6.1.123-1 | < 6.12.5-1

3 vendors · 138 products

References

49 links
Show all 49 references