Vulnerability Details : CVE-2021-47511

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix negative period/buffer sizes The period size calculation in OSS layer may receive a negative value as an error, but the code there assumes only the positive values and handle them with size_t. Due to that, a too big value may be passed to the lower layers. This patch changes the code to handle with ssize_t and adds the proper error checks appropriately.
Published 2024-05-24 15:15:12
Updated 2024-11-04 21:35:02
Source Linux
View at NVD,   CVE.org

Products affected by CVE-2021-47511

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Exploit prediction scoring system (EPSS) score for CVE-2021-47511

EPSS FAQ
0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-47511

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
 134c704f-9b21-4f2e-91b3-4a467353bcc0 2024-11-04

References for CVE-2021-47511

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