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.

The following products are affected by CVE-2021-47511 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47511.

URL	Resource
https://git.kernel.org/stable/c/00a860678098fcd9fa8db2b5fb9d2ddf4776d4cc
https://git.kernel.org/stable/c/02b2b691b77cd7b951fa7b6c9d44d4e472cdc823
https://git.kernel.org/stable/c/502e1146873d870f87da3b8f93d6bf2de5f38d0c
https://git.kernel.org/stable/c/8af815ab052eaf74addbbfb556d63ce2137c0e1b
https://git.kernel.org/stable/c/9d2479c960875ca1239bcb899f386970c13d9cfe
https://git.kernel.org/stable/c/be8869d388593e57223ad39297c8e54be632f2f2
https://git.kernel.org/stable/c/f12c8a7515f641885677960af450082569a87243
https://git.kernel.org/stable/c/f96c0959c1ee92adc911c10d6ec209af50105049
https://lore.kernel.org/linux-cve-announce/2024052430-CVE-2021-47511-7bec@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47511
https://www.cve.org/CVERecord?id=CVE-2021-47511