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CVE-2026-98263

Linux: ASoC: codecs: rt712-sdca-dmic: fix uninitialized stream_config->type

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.18%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in6507055733a9d397289277408b52daf422f8a814Also 03a5699a0a04309c597683967aaaf25d1e555ea2CVE List
Published6 Oct 2026Updated 19 Oct 2026CVE List

What fixes it

  • 6507055733a9d397289277408b52daf422f8a814LinuxCVE List
  • 03a5699a0a04309c597683967aaaf25d1e555ea2LinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

In the Linux kernel, the following vulnerability has been resolved:

ASoC: codecs: rt712-sdca-dmic: fix uninitialized stream_config->type

stream_config is not initialized before being passed to sdw_stream_add_slave(). The type field may contain garbage and is later copied to stream->type by sdw_config_stream().

Zero-initialize stream_config so type defaults to SDW_STREAM_PCM.

While at it, use snd_sdw_params_to_config() helper instead of open-coding the same logic.

Text from CVE List

Affected versions 12

  • Linuxaffected: 63a511284c9ea72696a5dd0a2d2721bdef19f774 before 6507055733a9d397289277408b52daf422f8a814CVE List
  • Linuxaffected: 63a511284c9ea72696a5dd0a2d2721bdef19f774 before c144447c207e2be24d6ac86d544691ba464caad8CVE List
  • Linuxaffected: 63a511284c9ea72696a5dd0a2d2721bdef19f774 before d93988c9e58d37b677f6ee8aceae741c8d1e30adCVE List
  • Linuxaffected: 63a511284c9ea72696a5dd0a2d2721bdef19f774 before a318ee718e7448cd6bf62d9b3197b6a6a8d4701eCVE List
  • Linuxaffected: 63a511284c9ea72696a5dd0a2d2721bdef19f774 before 03a5699a0a04309c597683967aaaf25d1e555ea2CVE List
  • Linuxaffected: 6.4CVE List
  • Linuxunaffected: all versions before 6.4CVE List
  • Linuxunaffected: 6.6.158 through 6.6.*CVE List
  • Linuxunaffected: 6.12.112 through 6.12.*CVE List
  • Linuxunaffected: 6.18.54 through 6.18.*CVE List
  • Linuxunaffected: 7.2.8 through 7.2.*CVE List
  • Linuxunaffected: 7.3CVE List

References 5