Linux Kernel: ASoC SOF Pointer Divide-by-Zero in Stream Config
CVE-2026-46179 Published on May 28, 2026
ASoC: SOF: Don't allow pointer operations on unconfigured streams
In the Linux kernel, the following vulnerability has been resolved:
ASoC: SOF: Don't allow pointer operations on unconfigured streams
When reporting the pointer for a compressed stream we report the current
I/O frame position by dividing the position by the number of channels
multiplied by the number of container bytes. These values default to 0 and
are only configured as part of setting the stream parameters so this allows
a divide by zero to be configured. Validate that they are non zero,
returning an error if not
Products Associated with CVE-2026-46179
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Affected Versions
Linux:- Version c1a731c71359407eae4fd0a5fd675ef25a582764 and below 327a64241f30c74b6f35537eb9e1fc6c3cbe060b is affected.
- Version c1a731c71359407eae4fd0a5fd675ef25a582764 and below 98ed1383f597f8a45b6cb816bb20b96d46eeceda is affected.
- Version c1a731c71359407eae4fd0a5fd675ef25a582764 and below 0f0c0c1397a42aacaacae828206ee1b921623952 is affected.
- Version c1a731c71359407eae4fd0a5fd675ef25a582764 and below 4f42dd01f5217465f23a763e27b3984e114d0972 is affected.
- Version c1a731c71359407eae4fd0a5fd675ef25a582764 and below c5b6285aae050ff1c3ea824ca3d88ac4be1e69c8 is affected.
- Version 6.1 is affected.
- Before 6.1 is unaffected.
- Version 6.6.140, <= 6.6.* is unaffected.
- Version 6.12.88, <= 6.12.* is unaffected.
- Version 6.18.30, <= 6.18.* is unaffected.
- Version 7.0.7, <= 7.0.* is unaffected.
- Version 7.1-rc1, <= * is unaffected.