Bug 2335898 (CVE-2024-56763) - CVE-2024-56763 kernel: tracing: Prevent bad count for tracing_cpumask_write
Summary: CVE-2024-56763 kernel: tracing: Prevent bad count for tracing_cpumask_write
Keywords:
Status: NEW
Alias: CVE-2024-56763
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-01-06 17:01 UTC by OSIDB Bzimport
Modified: 2025-01-06 18:31 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2025-01-06 17:01:48 UTC 
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.
Comment 1 Robb Gatica 2025-01-06 18:29:32 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025010655-CVE-2024-56763-17fd@gregkh/T
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