What’s Vulnerable › Vulnerabilities

CVE-2026-97430: xhci: Prevent queuing new commands if xhci is inaccessible

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-03

Description

In the Linux kernel, the following vulnerability has been resolved: xhci: Prevent queuing new commands if xhci is inaccessible Refuse to queue a new command on the command ring if xHC is marked inaccessible with the HCD_FLAG_HW_ACCESSIBLE. HCD_FLAG_HW_ACCESSIBLE is set and cleared in suspend and resume. Also print a warning if xhci is being suspended with commands still pending on the command ring.

Affected products

• Linux kernel: 2.6.37 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0e2eaa000e4e5ad46b7cf8fcf1e4a2585ef8b5a8
• https://git.kernel.org/stable/c/82b70c799281cc24506085be978b829149ba0ca4
• https://git.kernel.org/stable/c/a05e54c1eeaba10414aa2fde94589a7c9885f2a1
• https://git.kernel.org/stable/c/a215190ef68ca3602fe00674e0efffad71beb3aa
• https://git.kernel.org/stable/c/a50948386256b24d73971b9a152fe1de808446ab
• https://git.kernel.org/stable/c/add3aeb74e2c7d82fa1035af2a027666c6906210
• https://git.kernel.org/stable/c/fec259e46d44317379834a44115fae66122dc93f

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