ASoC: xilinx: formatter_pcm: fix stream_data leak on open error
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6, 7.3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 7 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90214
- 2026-10-03 Alias added: GHSA-2gxq-r2mx-5g9g
- 2026-10-13 Affected versions changed · Red Hat
- 2026-10-13 CVSS score added · Red Hat
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/5e1a2d9fff57f3a2b1a0f54d128d64245a253004
- https://git.kernel.org/stable/c/edf81b293cba1b00a5e71becf184414f6991a6ca
- https://git.kernel.org/stable/c/3fd89a51b8cfe788df67f54b716b305dd45b8468
- https://git.kernel.org/stable/c/8c38ae4a465691947977c25d10394da22a64a19f
- https://git.kernel.org/stable/c/9030aa4e14b704dc39ee208207cb65064020d857
- https://git.kernel.org/stable/c/8b30628dfc2b2fad3b55a9441776a226035045fa
- https://git.kernel.org/stable/c/4e0ce77df7d9808926719d7950a07fbad14ea9ef
- https://git.kernel.org/stable/c/b992511180e126150c6ad3580a6fd568c385f4c6
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Sources
- CVE-2026-90214 · CVE Program
- CVE-2026-90214 · NVD
- FIRST EPSS
- GHSA-2gxq-r2mx-5g9g · GitHub Advisory Database · CC BY 4.0
- CVE-2026-90214 · Red Hat security data · CC BY 4.0
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