CVE-2026-64349

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: fix dwc3_readl() and dwc3_writel() calls in dwc3_ulpi_setup() The dwc3_ulpi_setup() calls the register read and write calls with dwc3->regs when both these calls take the dwc3 structure directly. Chnage these two calls to fix the following sparse warning, and possibly a nasty bug in the dwc3_ulpi_setup() code: drivers/usb/dwc3/core.c:796:45: warning: incorrect type in argument 1 (different address spaces) drivers/usb/dwc3/core.c:796:45: expected struct dwc3 *dwc drivers/usb/dwc3/core.c:796:45: got void [noderef] __iomem *regs drivers/usb/dwc3/core.c:798:40: warning: incorrect type in argument 1 (different address spaces) drivers/usb/dwc3/core.c:798:40: expected struct dwc3 *dwc drivers/usb/dwc3/core.c:798:40: got void [noderef] __iomem *regs

Package Linux Kernel
Published 2026-07-25
Last modified 2026-07-25
Patch available
Yes

Affected versions

Linux kernel versions 6.18.32, 7.0 and later are affected. Fixed in 6.18.40, 7.1.4, 7.2-rc3 and their respective stable series.

Affected from
≥ 6.18.32 ≥ 7.0
Fixed in
✓ 6.18.40 6.18.x ✓ 7.1.4 7.1.x ✓ 7.2-rc3

References

3 total

Frequently asked questions

  • What is CVE-2026-64349?

    CVE-2026-64349 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.18.32 onward and has been patched in 6.18.40, 7.1.4 and 7.2-rc3. CVE-2026-64349 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-64349?

    Yes. CVE-2026-64349 has been patched. Fixed versions include 6.18.40, 7.1.4 and 7.2-rc3. If you are running Linux kernel 6.18.32 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-64349 actively exploited?

    No. CVE-2026-64349 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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