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CVE-2026-64453

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: fix disconnect UAF in client teardown usbio_disconnect() walks usbio->cli_list in reverse and uninitializes each auxiliary device. auxiliary_device_uninit() drops the device reference, and for an unbound child that can run usbio_auxdev_release() and free the containing struct usbio_client. list_for_each_entry_reverse() advances after the loop body by reading client->link.prev. If the current client is freed
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:714079c2b1e5ed251d22655f2377284e60432562c35896132812d1721deb043c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/misc/usbio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc3","versionType":"original_commit_for_fix"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9c96ddc9d04c4a0f49cd0ea7d874eb75bfce5f82d5adf6897f0ec943468a521 · sha256:9d8f7a4dd4d88369… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/misc/usbio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c40090f8d19b415e2925b22be964b5d1f695666f","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"1947b6411460d68b54b13c536961933166937d05","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"0bfeec21984fedd32987f4e4c0cde34b445af404","status":"affected","version":"121a0f839dbb397af5fab…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9c96ddc9d04c4a0f49cd0ea7d874eb75bfce5f82d5adf6897f0ec943468a521 · sha256:9d8f7a4dd4d88369… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/misc/usbio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc3","versionType":"original_commit_for_fix"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9c96ddc9d04c4a0f49cd0ea7d874eb75bfce5f82d5adf6897f0ec943468a521 · sha256:9d8f7a4dd4d88369… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/misc/usbio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c40090f8d19b415e2925b22be964b5d1f695666f","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"1947b6411460d68b54b13c536961933166937d05","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"0bfeec21984fedd32987f4e4c0cde34b445af404","status":"affected","version":"121a0f839dbb397af5fab…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9c96ddc9d04c4a0f49cd0ea7d874eb75bfce5f82d5adf6897f0ec943468a521 · sha256:9d8f7a4dd4d88369… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/0bfeec21984fedd32987f4e4c0cde34b445af404"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9c96ddc9d04c4a0f49cd0ea7d874eb75bfce5f82d5adf6897f0ec943468a521 · sha256:9d8f7a4dd4d88369… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/1947b6411460d68b54b13c536961933166937d05"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9c96ddc9d04c4a0f49cd0ea7d874eb75bfce5f82d5adf6897f0ec943468a521 · sha256:9d8f7a4dd4d88369… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c40090f8d19b415e2925b22be964b5d1f695666f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9c96ddc9d04c4a0f49cd0ea7d874eb75bfce5f82d5adf6897f0ec943468a521 · sha256:9d8f7a4dd4d88369… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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