Review reviewHigh

CVE-2025-22022

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Apply the link chain quirk on NEC isoc endpoints Two clearly different specimens of NEC uPD720200 (one with start/stop bug, one without) were seen to cause IOMMU faults after some Missed Service Errors. Faulting address is immediately after a transfer ring segment and patched dynamic debug messages revealed that the MSE was received when waiting for a TD near the end of that segment: [ 1.041954] xhci_hcd: Miss service interval error for slot 1 ep 2 expected TD DMA ffa08fe0 [ 1.042120] xhci_hcd: AMD-Vi: Event logg...

CVSS
7.8
EPSS
0.19%
8.62% percentile
CISA KEV
Not listed
Published
2025.04.16
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.19%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Apply the link chain quirk on NEC isoc endpoints Two clearly different specimens of NEC uPD720200 (one with start/stop bug, one without) were seen to cause IOMMU faults after some Missed Service Errors. Faulting address is immediately after a transfer ring segment and patched dynamic debug messages revealed that the MSE was received when waiting for a TD near the end of that segment: [ 1.041954] xhci_hcd: Miss service interval error for slot 1 ep 2 expected TD DMA ffa08fe0 [ 1.042120] xhci_hcd: AMD-Vi: Event logg...

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 7e393a834b41001174a8fb3ae3bc23a749467760 < abf2df229b6a9172cc1827749c1a446d28e00a2e, >= 7e393a834b41001174a8fb3ae3bc23a749467760 < 8b586de6f03c850ff48d42e539b4708d1f3f8f1a, >= 7e393a834b41001174a8fb3ae3bc23a749467760 < 1143f790a6316201dc8f067eba4c94ea97ecb6ca, >= 7e393a834b41001174a8fb3ae3bc23a749467760 < dbf427663ce272070d3004b5fca63a4a537d781c, >= 7e393a834b41001174a8fb3ae3bc23a749467760 < a4931d9fb99eb5462f3eaa231999d279c40afb21, >= 7e393a834b41001174a8fb3ae3bc23a749467760 < 43a18225150ce874d23b37761c302a5dffee1595, >= 7e393a834b41001174a8fb3ae3bc23a749467760 < 061a1683bae6ef56ab8fa392725ba7495515cd1d, >= 7e393a834b41001174a8fb3ae3bc23a749467760 < bb0ba4cb1065e87f9cc75db1fa454e56d0894d01, >= 5c7a6982e976b381595c9d4ee8e8c94564a40aec, >= f12ea4a8ca7009fa2d54794c3fcb8e638453bcff, >= 3.0.9 < 3.1, >= 3.1.1 < 3.2, >= 3.2, < 6.12.22, >= 6.13 < 6.13.10, 6.14
Fixed versions
6.12.22, 6.13.10

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-787