CVE - CVE-2025-21898

CVE-ID
CVE-2025-21898	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: ftrace: Avoid potential division by zero in function_stat_show() Check whether denominator expression x * (x - 1) * 1000 mod {2^32, 2^64} produce zero and skip stddev computation in that case. For now don't care about rec->counter * rec->counter overflow because rec->time * rec->time overflow will likely happen earlier.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/3d738b53ed6cddb68e68c9874520a4bf846163b5 URL:https://git.kernel.org/stable/c/3d738b53ed6cddb68e68c9874520a4bf846163b5 MISC:https://git.kernel.org/stable/c/5b3d32f607f0478b414b16516cf27f9170cf66c8 URL:https://git.kernel.org/stable/c/5b3d32f607f0478b414b16516cf27f9170cf66c8 MISC:https://git.kernel.org/stable/c/746cc474a95473591853927b3a9792a2d671155b URL:https://git.kernel.org/stable/c/746cc474a95473591853927b3a9792a2d671155b MISC:https://git.kernel.org/stable/c/992775227843c9376773784b8b362add44592ad7 URL:https://git.kernel.org/stable/c/992775227843c9376773784b8b362add44592ad7 MISC:https://git.kernel.org/stable/c/9cdac46fa7e854e587eb5f393fe491b6d7a9bdf6 URL:https://git.kernel.org/stable/c/9cdac46fa7e854e587eb5f393fe491b6d7a9bdf6 MISC:https://git.kernel.org/stable/c/a1a7eb89ca0b89dc1c326eeee2596f263291aca3 URL:https://git.kernel.org/stable/c/a1a7eb89ca0b89dc1c326eeee2596f263291aca3 MISC:https://git.kernel.org/stable/c/ca381f60a3bb7cfaa618d73ca411610bd7fc3149 URL:https://git.kernel.org/stable/c/ca381f60a3bb7cfaa618d73ca411610bd7fc3149 MISC:https://git.kernel.org/stable/c/f58a3f8e284d0bdf94164a8e61cd4e70d337a1a3 URL:https://git.kernel.org/stable/c/f58a3f8e284d0bdf94164a8e61cd4e70d337a1a3
Assigning CNA
kernel.org
Date Record Created
20241229	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241229)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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