CVE-2024-56681: linux
Vulnerability summary
CVE-2024-56681 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 46 · Related 46Timeline
- 28-12-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example, ahash_init will return -ENOMEM when allocation memory is error.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
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 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu133 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≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < 8f1a9a960b1107bd0e0ec3736055f5ed0e717edf | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < 75e1e38e5d80d6d9011b7322698ffba3dd3db30a | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < 28f8ffa945f7d7150463e15097ea73b19529d6f5 | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < 4ea3e3b761e371102bb1486778e2f8dbc9e37413 | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < 05f0a3f5477ecaa1cf46448504afe9e7c2e96fcc | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < ae5253313e0ea5f00c06176074592b7f493c8546 | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < ee36db8e8203420e6d5c42eb9428920c2fc36532 | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < bba9e38c5ad41d0a88b22a59e5b6dd3e31825118 | ≥ 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2, < 19630cf57233e845b6ac57c9c969a4888925467b | 4.11
- linux_kernel≥ 4.11, < 4.19.325 | ≥ 4.20, < 5.4.287 | ≥ 5.5, < 5.10.231 | ≥ 5.11, < 5.15.174 | ≥ 5.16, < 6.1.120 | ≥ 6.2, < 6.6.64 | ≥ 6.7, < 6.11.11 | ≥ 6.12, < 6.12.2
Debian1 product
- linux< 6.1.123-1 | < 6.12.3-1
3 vendors · 136 products