CVE-2024-56637: linux Race Condition
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.
Advisory lineage
Upstream 0 · Downstream 47 · Related 45Timeline
- 27-12-2024PublishedVulnerability first disclosed.
- 15-10-2026Last 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- OSV · UbuntuEcosystem advisory · calculated7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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