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CVE-2026-80743

Unknown

Last modified

CVE-2026-80743 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: ASoC: xilinx: formatter_pcm: pass aud_drv_data to irq handlers The irq handlers take a struct device pointer and call dev_get_drvdata() to obtain the driver data. However, the driver data is only set at the end of probe, after devm_request_irq(), so an interrupt taken in between causes the handlers to pass a NULL pointer to readl() and crash. Pass the private data directly as the devm_request_irq() argument instead of the device pointer, matching what the handlers expect..

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: xilinx: formatter_pcm: pass aud_drv_data to irq handlers The irq handlers take a struct device pointer and call dev_get_drvdata() to obtain the driver data. However, the driver data is only set at the end of probe, after devm_request_irq(), so an interrupt taken in between causes the handlers to pass a NULL pointer to readl() and crash. Pass the private data directly as the devm_request_irq() argument instead of the device pointer, matching what the handlers expect.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < 7d857aec162fb02d10ce326aecc1ac7509c31f43; >= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < a85315f2eb06adc5597a7103e1910fc7d0d35ffd; >= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < 721cfeb0b9572084435695ae535411b921d1ea68; >= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < b4ef887bee4d3c177adac5d1eab8b2de31b08ac3; >= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < 0d58a70b6dc7b65772e3ef7c43beb91882cf9ed5; >= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < f51a540b14eecb8667bbe450192318271b87631e; >= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < 09e4c486348e176c083f8bee9169ae8f408cf8d1; >= 6f6c3c36f0917be24587eeba818ab4fdfcb5465a, < f12afefb7b01f94d6d66d397f323a9914edbf70e
LinuxLinux5.1

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-80743?
In the Linux kernel, the following vulnerability has been resolved: ASoC: xilinx: formatter_pcm: pass aud_drv_data to irq handlers The irq handlers take a struct device pointer and call dev_get_drvdata() to obtain the driver data. However, the driver data is only set at the end of probe, after devm_request_irq(), so an interrupt taken in between causes the handlers to pass a NULL pointer to readl() and crash. Pass the private data directly as the devm_request_irq() argument instead of the device pointer, matching what the handlers expect.
How severe is CVE-2026-80743?
Severity scoring for CVE-2026-80743 is pending analysis.
How do I fix CVE-2026-80743?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST