CVE-2021-47511

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-47511
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47511.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-47511
Downstream
Related
Published
2024-05-24T15:15:12Z
Modified
2025-08-09T20:01:26Z
Summary
[none]
Details

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.

References

Affected packages