5.5

CVE-2024-56763: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-56763DEBIAN-CVE-2024-56763
Published 06-01-2025Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2024-56763 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.21%
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 40 · Related 38
DLA-4075-1DLA-4076-1MGASA-2025-0030MGASA-2025-0032SUSE-SU-2025:0428-1SUSE-SU-2025:0499-1

Timeline

  1. 06-01-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent bad count for tracing_cpumask_write If a large count is provided, it will trigger a warning in bitmap_parse_user. Also check zero for it.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

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

No weakness data has been published for this record.

Affected systems

Ubuntu135 products
  • linuxAll versions (No fix recorded) | < 5.4.0-242.262 | < 5.15.0-135.146 | < 6.8.0-60.63
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1165.176 | < 5.15.0-1080.87 | < 6.8.0-1029.31
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 9e01c1b74c9531e301c900edaa92a99fcb7738f2, < 2558d753df0628d4187d8e1fd989339460f4f364 | ≥ 9e01c1b74c9531e301c900edaa92a99fcb7738f2, < f60172b447317cb6c5e74b5601a151866269baf6 | ≥ 9e01c1b74c9531e301c900edaa92a99fcb7738f2, < 3d15f4c2449558ffe83b4dba30614ef1cd6937c3 | ≥ 9e01c1b74c9531e301c900edaa92a99fcb7738f2, < 03041e474a6a8f1bfd4b96b164bb3165c48fa1a3 | ≥ 9e01c1b74c9531e301c900edaa92a99fcb7738f2, < 1cca920af19df5dd91254e5ff35e68e911683706 | ≥ 9e01c1b74c9531e301c900edaa92a99fcb7738f2, < 98feccbf32cfdde8c722bc4587aaa60ee5ac33f0 | 2.6.29
  • linux_kernel≥ 2.6.29, < 6.1.123 | ≥ 6.2, < 6.6.69 | ≥ 6.7, < 6.12.8 | 6.13:rc1 | 6.13:rc2 | 6.13:rc3 | 6.13:rc4
Debian1 product
  • linux< 6.1.123-1 | < 6.12.8-1

3 vendors · 138 products

References

42 links
Show all 42 references