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CVE-2026-64339

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: bound bulk IN response length to the received transfer usbio_bulk_msg() copies bpkt_len = le16_to_cpu(bpkt->len) bytes out of the bulk IN buffer (usbio->rxbuf, allocated with size usbio->rxbuf_len) into the caller's buffer. bpkt_len is fully controlled by the device and is only checked against ibuf_len; ibuf_len in turn is checked against usbio->txbuf_len, not against rxbuf_len: if ((obuf_len > (usbio->txb
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:72ae41eb0492e51126d9416e1dee039d65de6e362b4e0dbbe4117b614c12a621
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:v2:7a06dec1745f25263a855d30fae47c55128f851fb3d8d78ee1ffc47b61d661ab · sha256:dbad351f3cd66330… · /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":"48394f94211cf8fe0ea8604fc441633abf90fc94","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"fc1b546973c1442d5b947fcdd03581f20ecc5bd2","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"8c6314489550fa81d41723a0ff33f655b5b6c7b6","status":"affected","version":"121a0f839dbb397af5fab…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a06dec1745f25263a855d30fae47c55128f851fb3d8d78ee1ffc47b61d661ab · sha256:dbad351f3cd66330… · /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:v2:7a06dec1745f25263a855d30fae47c55128f851fb3d8d78ee1ffc47b61d661ab · sha256:dbad351f3cd66330… · /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":"48394f94211cf8fe0ea8604fc441633abf90fc94","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"fc1b546973c1442d5b947fcdd03581f20ecc5bd2","status":"affected","version":"121a0f839dbb397af5fabb701cea3e9983223e50","versionType":"git"},{"lessThan":"8c6314489550fa81d41723a0ff33f655b5b6c7b6","status":"affected","version":"121a0f839dbb397af5fab…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a06dec1745f25263a855d30fae47c55128f851fb3d8d78ee1ffc47b61d661ab · sha256:dbad351f3cd66330… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/48394f94211cf8fe0ea8604fc441633abf90fc94"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a06dec1745f25263a855d30fae47c55128f851fb3d8d78ee1ffc47b61d661ab · sha256:dbad351f3cd66330… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/8c6314489550fa81d41723a0ff33f655b5b6c7b6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a06dec1745f25263a855d30fae47c55128f851fb3d8d78ee1ffc47b61d661ab · sha256:dbad351f3cd66330… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/fc1b546973c1442d5b947fcdd03581f20ecc5bd2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a06dec1745f25263a855d30fae47c55128f851fb3d8d78ee1ffc47b61d661ab · sha256:dbad351f3cd66330… · /containers/cna/references/1

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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