linux: In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix negative period/buffer sizes...
CVE-2021-47511 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47511, released May 24, 2024. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.15.15-1 | DEBIAN-CVE-2021-47511 | May 24, 2024 |
| linux · Debian 13.5 (trixie) | 5.15.15-1 | DEBIAN-CVE-2021-47511 | May 24, 2024 |
| linux · Debian 14 | 5.15.15-1 | DEBIAN-CVE-2021-47511 | May 24, 2024 |
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