Vulnerability in Linux

CVE-2024-56763

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-56763: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions 9e01c1b74c9531e301c900edaa92a99fcb7738f2, 2.6.29, 0
  • Linux Kernel — versions 6.13

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-56763?
CVE-2024-56763 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-01-06.
How severe is CVE-2024-56763?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-56763 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.