CVE-2026-90214
Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: xilinx: formatter_pcm: fix stream_data leak on open error In xlnx_formatter_pcm_open(), stream_data is allocated and adata->play_stream or adata->capture_stream is assigned early. If a later step, such as snd_pcm_hw_constraint_step() or snd_pcm_hw_constraint_integer(), fails, the function returns the error immediately. ALSA does not call the close callback when open fails, so stream_data is leaked and the stream pointer is left dangling, pointing to a substream that ALSA frees. A later interrupt would then call snd_pcm_period_elapsed() on the freed substream. Free stream_data and clear the stream pointer on the error paths.
How to fix
- Linux Linux5e1a2d9fff57f3a2b1a0f54d128d64245a253004, edf81b293cba1b00a5e71becf184414f6991a6ca, 3fd89a51b8cfe788df67f54b716b305dd45b8468, 8c38ae4a465691947977c25d10394da22a64a19f, 9030aa4e14b704dc39ee208207cb65064020d857, 8b30628dfc2b2fad3b55a9441776a226035045fa, 4e0ce77df7d9808926719d7950a07fbad14ea9ef, b992511180e126150c6ad3580a6fd568c385f4c6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < 5e1a2d9fff57f3a2b1a0f54d128d64245a253004, 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < edf81b293cba1b00a5e71becf184414f6991a6ca, 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < 3fd89a51b8cfe788df67f54b716b305dd45b8468, 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < 8c38ae4a465691947977c25d10394da22a64a19f, 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < 9030aa4e14b704dc39ee208207cb65064020d857, 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < 8b30628dfc2b2fad3b55a9441776a226035045fa, 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < 4e0ce77df7d9808926719d7950a07fbad14ea9ef, 6f6c3c36f0917be24587eeba818ab4fdfcb5465a ≤ v < b992511180e126150c6ad3580a6fd568c385f4c6, 5.1 | 5e1a2d9fff57f3a2b1a0f54d128d64245a253004, edf81b293cba1b00a5e71becf184414f6991a6ca, 3fd89a51b8cfe788df67f54b716b305dd45b8468, 8c38ae4a465691947977c25d10394da22a64a19f, 9030aa4e14b704dc39ee208207cb65064020d857, 8b30628dfc2b2fad3b55a9441776a226035045fa, 4e0ce77df7d9808926719d7950a07fbad14ea9ef, b992511180e126150c6ad3580a6fd568c385f4c6 |
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