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

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Linux 内核中，已修复以下漏洞： xhci：若 xHCI 控制器不可访问，则禁止队列化新命令 当 xHCI 控制器通过 标志被标记为不可访问时，拒绝在其命令环（command ring）上队列化新命令。 标志在系统挂起（suspend）和恢复（resume）过程中被设置和清除。 此外，如果 xHCI 控制器正在挂起，但命令环上仍有待处理的命令，则打印一条警告信息。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1486 · Data Encrypted for Impact

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 5535b1d5f8885695c6ded783c692e3c0d0eda8ca< 0e2eaa000e4e5ad46b7cf8fcf1e4a2585ef8b5a8 affected
5535b1d5f8885695c6ded783c692e3c0d0eda8ca< add3aeb74e2c7d82fa1035af2a027666c6906210 affected
5535b1d5f8885695c6ded783c692e3c0d0eda8ca< a215190ef68ca3602fe00674e0efffad71beb3aa affected
5535b1d5f8885695c6ded783c692e3c0d0eda8ca< fec259e46d44317379834a44115fae66122dc93f affected
5535b1d5f8885695c6ded783c692e3c0d0eda8ca< a50948386256b24d73971b9a152fe1de808446ab affected
5535b1d5f8885695c6ded783c692e3c0d0eda8ca< a05e54c1eeaba10414aa2fde94589a7c9885f2a1 affected
5535b1d5f8885695c6ded783c692e3c0d0eda8ca< 82b70c799281cc24506085be978b829149ba0ca4 affected
2.6.37 affected
… +8 more rows
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I. Basic Information for CVE-2026-97430

Vulnerability Information
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Vulnerability Title
xhci: Prevent queuing new commands if xhci is inaccessible
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 5535b1d5f8885695c6ded783c692e3c0d0eda8ca ~ 0e2eaa000e4e5ad46b7cf8fcf1e4a2585ef8b5a8 -
Linux Linux 2.6.37 -

II. Public POCs for CVE-2026-97430

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III. Intelligence Information for CVE-2026-97430

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Patches & Fixes for CVE-2026-97430 (7)

Same Patch Batch · Linux · 2026-09-24 · 234 CVEs total

CVE-2026-93207 9.8 CRITICAL SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry
CVE-2026-97413 9.8 CRITICAL RDMA/rtrs-srv: Fix integer underflow in process_read and process_write
CVE-2026-93228 9.1 CRITICAL svcrdma: Reject Write/Reply chunks with segcount 0
CVE-2026-93799 8.8 HIGH wifi: iwlwifi: mvm: validate sta_id in BA window status notif
CVE-2026-97442 8.8 HIGH wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi
CVE-2026-97409 8.8 HIGH nvme-fc: Do not cancel requests in io target before it is initialized
CVE-2026-93806 8.8 HIGH wifi: cfg80211: validate assoc response length before status and IE access
CVE-2026-93793 8.8 HIGH wifi: iwlwifi: mvm: validate TX_CMD response layout
CVE-2026-93790 8.8 HIGH wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif
CVE-2026-93284 8.8 HIGH drm/pagemap: dma-unmap pages before handling migration errors
CVE-2026-93280 8.8 HIGH greybus: audio: bound the topology section sizes against the fetched size
CVE-2026-97509 8.8 HIGH thunderbolt: Keep XDomain reference during the lifetime of a service
CVE-2026-93827 8.4 HIGH virtio-fs: avoid double-free on failed queue setup
CVE-2026-97450 8.4 HIGH ACPICA: validate handler object type in two places
CVE-2026-97452 8.4 HIGH ACPICA: Prevent adding invalid references
CVE-2026-97451 8.4 HIGH ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)
CVE-2026-97455 8.4 HIGH ACPICA: Fix use-after-free in acpi_ds_terminate_control_method()
CVE-2026-97433 8.2 HIGH nvme: validate FDP configuration descriptor sizes
CVE-2026-93787 8.1 HIGH smb: client: bound dirent name against end of SMB response in cifs_filldir
CVE-2026-93786 8.1 HIGH ksmbd: preserve VFS inherited POSIX ACL mask

Showing top 20 of 234 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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